312 Area Code
Chicago, Illinois
Area Code Information
| Area Code: | 312 |
| Major City: | Chicago |
| State/Region: | Illinois (IL) |
| Time Zone: | Central |
| Current Local Time: | 4:56 AM |
| In Service Since: | 1/1/47 |
| Overlay: | Yes (312/312/872) |
Other Area Codes in Illinois
Prefixes & Exchanges
Showing 800 prefixes for area code 312
| Prefix | Location | Company | Assigned |
|---|---|---|---|
| 312-200 | Chicgozn01 | METRO PCS, INC. | 10/2/17 |
| 312-201 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-202 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-203 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-204 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-205 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-206 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-207 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-208 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-209 | Northbrook | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-210 | Chicgozn01 | AIRUS, INC. - IL | 7/19/18 |
| 312-211 | -- | [UNASSIGNED] | -- |
| 312-212 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-213 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-214 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-215 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-216 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | 2/13/12 |
| 312-217 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-218 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-219 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 4/10/12 |
| 312-220 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-221 | Chicgozn01 | SPRINT SPECTRUM L.P. | 6/17/11 |
| 312-222 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-223 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-224 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-225 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-226 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-227 | Chicgozn01 | AMERITECH ILLINOIS | 9/15/10 |
| 312-228 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-229 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-230 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-231 | Roselle | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-232 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-233 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-234 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-235 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-236 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-237 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-238 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-239 | Chicgozn01 | AT&T LOCAL | -- |
| 312-240 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-241 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 8/17/11 |
| 312-242 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-243 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-244 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-245 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-246 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-247 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | 4/6/04 |
| 312-248 | Chicgozn01 | METRO PCS, INC. | 7/1/14 |
| 312-249 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-250 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-251 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-252 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-253 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-254 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-255 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-256 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-257 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 8/18/11 |
| 312-258 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-259 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-260 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-261 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-262 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-263 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-264 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-265 | Chicgozn01 | ACCESS ONE, INC. - IL | 11/29/05 |
| 312-266 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-267 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-268 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-269 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-270 | Chicgozn01 | METRO PCS, INC. | 1/16/17 |
| 312-271 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-272 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-273 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 9/13/11 |
| 312-274 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-275 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-276 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-277 | Chicgozn01 | ALLEGIANCE TELECOM, INC. - IL | -- |
| 312-278 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-279 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-280 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-281 | Chicgozn01 | GLOBAL CROSSING LOCAL SERVICES, INC.-IL | -- |
| 312-282 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-283 | Chicgozn01 | GLOBAL CROSSING LOCAL SERVICES, INC.-IL | -- |
| 312-284 | Chicgozn01 | XO ILLINOIS, INC. | -- |
| 312-285 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-286 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-287 | Chicgozn07 | SPRINT SPECTRUM L.P. | -- |
| 312-288 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-289 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-290 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-291 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-292 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 9/2/11 |
| 312-293 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-294 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-295 | La Grange | USA MOBILITY WIRELESS, INC. | -- |
| 312-296 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-297 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-298 | Chicgozn01 | SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE | -- |
| 312-299 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-300 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | -- |
| 312-301 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-302 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-303 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-304 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-305 | Northbrook | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-306 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-307 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-308 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-309 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-310 | Northbrook | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-311 | -- | [UNASSIGNED] | -- |
| 312-312 | Chicgozn01 | ONVOY, LLC | 1/19/18 |
| 312-313 | Chicgozn01 | ONVOY, LLC | 11/10/14 |
| 312-314 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-315 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-316 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-317 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-318 | La Grange | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-319 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 4/28/17 |
| 312-320 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-321 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-322 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-323 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-324 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | 5/3/01 |
| 312-325 | Chicgozn01 | AMERITECH ILLINOIS | 6/24/03 |
| 312-326 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-327 | Chicgozn01 | XO ILLINOIS, INC. | -- |
| 312-328 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-329 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-330 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-331 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-332 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-333 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-334 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | -- |
| 312-335 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-336 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-337 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-338 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-339 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-340 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-341 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-342 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-343 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-344 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-345 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-346 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-347 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-348 | Chicgozn01 | ONVOY, LLC - IL | 11/14/03 |
| 312-349 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-350 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-351 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-352 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-353 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-354 | Roselle | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-355 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-356 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-357 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-358 | Chicgozn01 | T-MOBILE USA, INC. | 7/21/15 |
| 312-359 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-360 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-361 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-362 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-363 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-364 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-365 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-366 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 2/3/16 |
| 312-367 | La Grange | USA MOBILITY WIRELESS, INC. | -- |
| 312-368 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-369 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-370 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-371 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-372 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-373 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-374 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-375 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-376 | Chicgozn01 | CBEYOND COMMUNICATIONS, LLC - IL | 6/11/04 |
| 312-377 | Chicgozn01 | XO ILLINOIS, INC. | -- |
| 312-378 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-379 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-380 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-381 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-382 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-383 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 2/1/16 |
| 312-384 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-385 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-386 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-387 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-388 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-389 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-390 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/16/01 |
| 312-391 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-392 | Chicgozn01 | ONVOY, LLC | 10/23/17 |
| 312-393 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-394 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-395 | Chicgozn01 | AT&T LOCAL | -- |
| 312-396 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-397 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-398 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-399 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-400 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-401 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-402 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-403 | La Grange | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-404 | Chicgozn01 | T-MOBILE USA, INC. | 10/14/02 |
| 312-405 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-406 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-407 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-408 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-409 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-410 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-411 | -- | [UNASSIGNED] | -- |
| 312-412 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-413 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-414 | Chicgozn01 | VONAGE NETWORK INC. | 8/12/16 |
| 312-415 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-416 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-417 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-418 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-419 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-420 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-421 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-422 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-423 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-424 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-425 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-426 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-427 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-428 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | -- |
| 312-429 | Chicgozn01 | GLOBAL CROSSING LOCAL SERVICES, INC.-IL | -- |
| 312-430 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-431 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-432 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-433 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-434 | Chicgozn01 | SPRINT SPECTRUM L.P. | 7/8/11 |
| 312-435 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-436 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-437 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-438 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6/2/17 |
| 312-439 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 11/28/16 |
| 312-440 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-441 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-442 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-443 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-444 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-445 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-446 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-447 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-448 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 8/2/11 |
| 312-449 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-450 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-451 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-452 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-453 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-454 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-455 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-456 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-457 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-458 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-459 | Chicgozn01 | T-MOBILE USA, INC. | 8/2/11 |
| 312-460 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-461 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-462 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-463 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-464 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-465 | Chicgozn01 | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | 3/26/09 |
| 312-466 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-467 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-468 | Chicgozn01 | T-MOBILE USA, INC. | 6/26/15 |
| 312-469 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-470 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-471 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 6/26/15 |
| 312-472 | Chicgozn01 | AMERITECH ILLINOIS | 10/27/05 |
| 312-473 | Chicgozn01 | YMAX COMMUNICATIONS CORP. - IL | 11/15/06 |
| 312-474 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-475 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-476 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-477 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | 10/20/10 |
| 312-478 | Chicgozn01 | T-MOBILE USA, INC. | 3/20/14 |
| 312-479 | Chicgozn01 | AT&T LOCAL | -- |
| 312-480 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-481 | Chicgozn01 | METRO PCS, INC. | 7/7/17 |
| 312-482 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-483 | Chicgozn01 | T-MOBILE USA, INC. | 8/22/14 |
| 312-484 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-485 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-486 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | 4/23/04 |
| 312-487 | Chicgozn01 | METRO PCS, INC. | 10/27/14 |
| 312-488 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | -- |
| 312-489 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-490 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-491 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-492 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-493 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-494 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-495 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-496 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-497 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-498 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-499 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-500 | Chicgozn01 | ONVOY, LLC | 5/22/18 |
| 312-501 | La Grange | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-502 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-503 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-504 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-505 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-506 | Chicgozn01 | FIRST COMMUNICATIONS, LLC | 5/24/04 |
| 312-507 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-508 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 3/19/12 |
| 312-509 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 3/6/12 |
| 312-510 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-511 | -- | [UNASSIGNED] | -- |
| 312-512 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-513 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-514 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-515 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-516 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-517 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 2/9/15 |
| 312-518 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-519 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-520 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-521 | Chicgozn01 | AT&T LOCAL | -- |
| 312-522 | Chicgozn01 | T-MOBILE USA, INC. | 8/22/14 |
| 312-523 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-524 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-525 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 3/20/02 |
| 312-526 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-527 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-528 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-529 | Chicgozn01 | AT&T LOCAL | -- |
| 312-530 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-531 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-532 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-533 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-534 | Chicgozn01 | AMERITECH ILLINOIS | 9/17/08 |
| 312-535 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 7/20/17 |
| 312-536 | Chicgozn01 | T-MOBILE USA, INC. | 6/26/15 |
| 312-537 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-538 | Chicgozn01 | METRO PCS, INC. | 7/21/17 |
| 312-539 | Chicgozn01 | T-MOBILE USA, INC. | 1/11/16 |
| 312-540 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-541 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-542 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-543 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-544 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-545 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-546 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | -- |
| 312-547 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-548 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | 9/5/07 |
| 312-549 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 9/25/15 |
| 312-550 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-551 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-552 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-553 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-554 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-555 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-556 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-557 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-558 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-559 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-560 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-561 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6/20/12 |
| 312-562 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-563 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-564 | Chicgozn01 | FIRST COMMUNICATIONS, LLC | 11/13/06 |
| 312-565 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-566 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-567 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-568 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-569 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-570 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-571 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-572 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-573 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-574 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-575 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-576 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-577 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-578 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-579 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 7/25/17 |
| 312-580 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-581 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 7/31/17 |
| 312-582 | Chicgozn01 | AMERITECH ILLINOIS | 5/16/02 |
| 312-583 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-584 | Chicgozn01 | VOIPSTREET, INC. | 8/14/18 |
| 312-585 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 4/16/13 |
| 312-586 | Chicgozn01 | ONVOY, LLC | 5/4/16 |
| 312-587 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-588 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-589 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-590 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-591 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-592 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-593 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-594 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 11/6/08 |
| 312-595 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-596 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-597 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 10/4/16 |
| 312-598 | Chicgozn01 | ONVOY, LLC | 1/24/19 |
| 312-599 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 11/21/16 |
| 312-600 | Chicgozn01 | ONVOY, LLC - IL | 5/1/12 |
| 312-601 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-602 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-603 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-604 | Chicgozn01 | XO ILLINOIS, INC. | -- |
| 312-605 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 8/6/12 |
| 312-606 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-607 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-608 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-609 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-610 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 8/6/12 |
| 312-611 | -- | [UNASSIGNED] | -- |
| 312-612 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-613 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-614 | Chicgozn01 | AMERITECH ILLINOIS | 10/19/12 |
| 312-615 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-616 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-617 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-618 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-619 | Chicgozn01 | T-MOBILE USA, INC. | 9/11/12 |
| 312-620 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 8/15/12 |
| 312-621 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-622 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 2/14/01 |
| 312-623 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-624 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-625 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | 11/12/01 |
| 312-626 | Chicgozn01 | ONVOY, LLC | 2/4/08 |
| 312-627 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-628 | Chicgozn01 | XO ILLINOIS, INC. | -- |
| 312-629 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-630 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-631 | Chicgozn01 | CENTURYLINK COMMUNICATIONS LLC | 1/11/13 |
| 312-632 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-633 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-634 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-635 | Chicgozn01 | GLOBAL CROSSING LOCAL SERVICES, INC.-IL | -- |
| 312-636 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-637 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-638 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-639 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 10/19/17 |
| 312-640 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-641 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-642 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-643 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-644 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-645 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-646 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-647 | Chicgozn01 | T-MOBILE USA, INC. | 5/24/13 |
| 312-648 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-649 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-650 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-651 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-652 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-653 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-654 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-655 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-656 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-657 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-658 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-659 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-660 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-661 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-662 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-663 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-664 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-665 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-666 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-667 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 8/31/12 |
| 312-668 | Chicgozn01 | CSC WIRELESS, LLC | 5/28/19 |
| 312-669 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-670 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-671 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-672 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-673 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | -- |
| 312-674 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-675 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-676 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | 6/16/06 |
| 312-677 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-678 | Chicgozn01 | T-MOBILE USA, INC. | 7/25/13 |
| 312-679 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-680 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-681 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-682 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-683 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-684 | Chicgozn01 | T-MOBILE USA, INC. | 9/13/16 |
| 312-685 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-686 | Chicgozn01 | AIRUS, INC. - IL | 12/13/16 |
| 312-687 | Chicgozn01 | T-MOBILE USA, INC. | 9/13/16 |
| 312-688 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-689 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-690 | Chicgozn01 | RCLEC, INC. - IL | 5/6/14 |
| 312-691 | Chicgozn01 | INDIANA PAGING NTWK | -- |
| 312-692 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-693 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-694 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-695 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-696 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-697 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-698 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | 8/23/01 |
| 312-699 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-700 | -- | [UNASSIGNED] | -- |
| 312-701 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-702 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 12/31/12 |
| 312-703 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-704 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-705 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-706 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-707 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-708 | -- | [UNASSIGNED] | -- |
| 312-709 | Chicgozn01 | T-MOBILE USA, INC. | 5/24/13 |
| 312-710 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-711 | -- | AMERITECH ILLINOIS | -- |
| 312-712 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-713 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/16/01 |
| 312-714 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-715 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-716 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-717 | La Grange | USA MOBILITY WIRELESS, INC. | -- |
| 312-718 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-719 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-720 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-721 | Chicgozn01 | T-MOBILE USA, INC. | 10/22/13 |
| 312-722 | Chicgozn01 | US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL | 6/1/15 |
| 312-723 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 11/28/16 |
| 312-724 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 2/7/13 |
| 312-725 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 10/8/08 |
| 312-726 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-727 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-728 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 10/19/17 |
| 312-729 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-730 | Chicgozn01 | AT&T LOCAL | -- |
| 312-731 | Chicgozn01 | T-MOBILE USA, INC. | -- |
| 312-732 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-733 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-734 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 9/17/15 |
| 312-735 | Chicgozn04 | SPRINT SPECTRUM L.P. | 7/6/01 |
| 312-736 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 10/20/17 |
| 312-737 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-738 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-739 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-740 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-741 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 10/20/17 |
| 312-742 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-743 | Chicgozn01 | AMERITECH ILLINOIS | 11/15/01 |
| 312-744 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-745 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-746 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-747 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-748 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-749 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-750 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-751 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-752 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | 4/19/02 |
| 312-753 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-754 | Chicgozn01 | LEVEL 3 TELECOM OF ILLINOIS, LLC - IL | 2/26/13 |
| 312-755 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-756 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-757 | Chicgozn01 | GETGO COMMUNICATIONS LLC - IL | 3/28/13 |
| 312-758 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-759 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-760 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-761 | Chicgozn01 | TELENGY LLC | 5/25/18 |
| 312-762 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-763 | Chicgozn01 | COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL | 5/12/14 |
| 312-764 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 10/20/16 |
| 312-765 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-766 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 10/17/16 |
| 312-767 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 4/16/15 |
| 312-768 | Chicgozn01 | AT&T LOCAL | -- |
| 312-769 | Chicgozn01 | INDIANA PAGING NTWK | -- |
| 312-770 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-771 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-772 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 8/18/08 |
| 312-773 | -- | [UNASSIGNED] | -- |
| 312-774 | Chicgozn01 | T-MOBILE USA, INC. | 8/19/13 |
| 312-775 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-776 | Chicgozn01 | T-MOBILE USA, INC. | 1/30/19 |
| 312-777 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-778 | Chicgozn01 | ONVOY, LLC | 5/8/15 |
| 312-779 | Chicgozn01 | ONVOY, LLC | 5/13/19 |
| 312-780 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-781 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-782 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-783 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 8/8/16 |
| 312-784 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | 7/12/07 |
| 312-785 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 8/19/14 |
| 312-786 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-787 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-788 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-789 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-790 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-791 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-792 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 11/20/14 |
| 312-793 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-794 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-795 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-796 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 7/26/16 |
| 312-797 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-798 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-799 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-800 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 11/20/12 |
| 312-801 | Chicgozn01 | BRIGHTLINK COMMUNICATIONS, LLC | 4/29/13 |
| 312-802 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-803 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-804 | Chicgozn01 | T-MOBILE USA, INC. | 1/23/02 |
| 312-805 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-806 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-807 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-808 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-809 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 10/25/13 |
| 312-810 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-811 | -- | [UNASSIGNED] | -- |
| 312-812 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-813 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-814 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-815 | Chicgozn01 | AIRESPRING, INC. | 5/7/18 |
| 312-816 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-817 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-818 | Chicgozn01 | T-MOBILE USA, INC. | 8/19/13 |
| 312-819 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-820 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-821 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-822 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-823 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-824 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 6/20/16 |
| 312-825 | Chicgozn01 | T-MOBILE USA, INC. | 3/17/16 |
| 312-826 | Chicgozn01 | T-MOBILE USA, INC. | 6/17/16 |
| 312-827 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-828 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-829 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-830 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-831 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-832 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-833 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-834 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-835 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-836 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-837 | Chicgozn01 | COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL | 9/3/15 |
| 312-838 | Chicgozn01 | T-MOBILE USA, INC. | 1/11/16 |
| 312-839 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-840 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-841 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-842 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-843 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 3/12/14 |
| 312-844 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-845 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-846 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-847 | Chicgozn01 | ONVOY, LLC | 6/28/19 |
| 312-848 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-849 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-850 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-851 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-852 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-853 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-854 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-855 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-856 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-857 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-858 | Chicgozn01 | RCLEC, INC. - IL | 12/21/15 |
| 312-859 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-860 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-861 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-862 | Chicgozn01 | AMERITECH ILLINOIS | 1/25/06 |
| 312-863 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-864 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-865 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-866 | Chicgozn01 | T-MOBILE USA, INC. | 8/22/14 |
| 312-867 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-868 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 12/4/15 |
| 312-869 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-870 | Chicgozn01 | FIRST COMMUNICATIONS LLC - IL | -- |
| 312-871 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 8/28/15 |
| 312-872 | Chicgozn01 | LEVEL 3 COMMUNICATIONS, LLC - IL | 7/12/18 |
| 312-873 | Chicgozn01 | MCI WORLDCOM COMMUNICATIONS, INC. - IL | -- |
| 312-874 | Chicgozn01 | T-MOBILE USA, INC. | 5/22/15 |
| 312-875 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-876 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-877 | Chicgozn01 | AT&T CORP. | 8/12/14 |
| 312-878 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 2/4/08 |
| 312-879 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-880 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-881 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-882 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-883 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 11/12/14 |
| 312-884 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-885 | Chicgozn01 | T-MOBILE USA, INC. | 9/22/15 |
| 312-886 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-887 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-888 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 1/13/12 |
| 312-889 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 6/25/15 |
| 312-890 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-891 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-892 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-893 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-894 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | -- |
| 312-895 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-896 | Chicgozn01 | BROADWING COMMUNICATIONS, LLC - IL | -- |
| 312-897 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 3/23/15 |
| 312-898 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-899 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-900 | Chicgozn01 | FRACTEL, LLC | 1/18/19 |
| 312-901 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-902 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-903 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/13/01 |
| 312-904 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-905 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-906 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-907 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-908 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-909 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-910 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-911 | -- | [UNASSIGNED] | -- |
| 312-912 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-913 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-914 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-915 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-916 | Chicgozn01 | AMERICAN MESSAGING SERVICES, LLC | 4/23/01 |
| 312-917 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-918 | Chicgozn01 | T-MOBILE USA, INC. | 8/19/13 |
| 312-919 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-920 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-921 | Chicgozn01 | AMERITECH ILLINOIS | 7/21/08 |
| 312-922 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-923 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-924 | Chicgozn01 | PAETEC COMMUNICATIONS, INC. - IL | -- |
| 312-925 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-926 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-927 | Chicgozn01 | T-MOBILE USA, INC. | 8/21/02 |
| 312-928 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-929 | Chicgozn01 | T-MOBILE USA, INC. | 4/27/06 |
| 312-930 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-931 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-932 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-933 | Chicgozn01 | SPRINT SPECTRUM L.P. | -- |
| 312-934 | Chicgozn01 | T-MOBILE USA, INC. | 12/8/14 |
| 312-935 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-936 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-937 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 9/25/14 |
| 312-938 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-939 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-940 | Chicgozn01 | PEERLESS NETWORK OF ILLINOIS, LLC - IL | 9/20/13 |
| 312-941 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-942 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-943 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-944 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-945 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-946 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-947 | Chicgozn01 | AMERITECH ILLINOIS | 11/18/10 |
| 312-948 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-949 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-950 | -- | [UNASSIGNED] | -- |
| 312-951 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-952 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-953 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-954 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-955 | Chicgozn01 | RCN TELECOM SERVICES OF ILLINOIS, INC. - IL | -- |
| 312-956 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 9/29/14 |
| 312-957 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-958 | -- | AMERITECH ILLINOIS | -- |
| 312-959 | -- | AMERITECH ILLINOIS | -- |
| 312-960 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-961 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-962 | Chicgozn01 | GLOBAL CROSSING LOCAL SERVICES, INC.-IL | -- |
| 312-963 | Chicgozn01 | USA MOBILITY WIRELESS, INC. | -- |
| 312-964 | Chicgozn01 | ONVOY, LLC | -- |
| 312-965 | Chicgozn01 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-966 | Chicgozn01 | METRO PCS, INC. | 11/18/14 |
| 312-967 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 8/7/14 |
| 312-968 | La Grange | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-969 | La Grange | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | -- |
| 312-970 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-971 | Chicgozn01 | BANDWIDTH.COM CLEC, LLC - IL | 5/1/14 |
| 312-972 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-973 | Chicgozn01 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 2/19/14 |
| 312-974 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-975 | Chicgozn01 | T-MOBILE USA, INC. | 9/15/14 |
| 312-976 | -- | [UNASSIGNED] | -- |
| 312-977 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-978 | Chicgozn01 | T-MOBILE USA, INC. | 10/22/13 |
| 312-979 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-980 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | -- |
| 312-981 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-982 | Chicgozn01 | COMCAST PHONE OF ILLINOIS, LLC DBA COMCO - IL | 10/7/14 |
| 312-983 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-984 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-985 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-986 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-987 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-988 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-989 | Chicgozn01 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6/25/15 |
| 312-990 | Hinsdale | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-991 | Wheeling | NEW CINGULAR WIRELESS PCS, LLC - IL | -- |
| 312-992 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-993 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-994 | Chicgozn01 | OVATION COMMUNICATIONS OF ILLINOIS, INC. | 4/10/01 |
| 312-995 | Chicgozn01 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 8/12/14 |
| 312-996 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-997 | Chicgozn01 | AMERITECH ILLINOIS | -- |
| 312-998 | Chicgozn01 | CENTURYLINK COMMUNICATIONS LLC | 8/12/14 |
| 312-999 | Chicgozn01 | XO ILLINOIS, INC. | 8/20/10 |
Illinois Area Codes