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443 Area Code

E MarylandMay 22, 2019
   
Area Code: 443
State/Region: E Maryland
Major Cities: Baltimore & suburbs
   
Time Zone: Eastern
Current Time: 11:21 PM
   
Date Assigned:
In Service Since: 6/1/1997
Overlay?: Yes
Overlay Complex: 410/443/667
   
Local Call Dialing: 10D
Toll Call Dialing: 1+10D

Nxx Exchange

Location

Company

Assigned

443-200WOODLAWN, MD ALLEGIANCE TELECOM, INC. - MD 2001-02-21
443-201WESTMINSTR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-12-01
443-202BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2012-01-09
443-203WEST RIVER, MD VERIZON MARYLAND, INC.
443-204PIKESVILLE, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2003-05-15
443-205CAMBRIDGE, MD NEXTEL COMMUNICATIONS, INC. 2004-01-20
443-206PERRYVILLE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-207ELKTON, MD OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P.
443-208BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-02-01
443-209HAVREGRACE, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-210SALISBURY, MD SPRINT SPECTRUM L.P. 2011-09-30
443-211
443-212SPARKSGLNC, MD US LEC OF MARYLAND, INC.
443-213PIKESVILLE, MD VERIZON MARYLAND, INC.
443-214ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-10-11
443-215CHESTERTN, MD CORE COMMUNICATIONS, INC. - MD
443-216DUNDALK, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-217ANNAPOLIS, MD CORE COMMUNICATIONS, INC. - MD
443-218WORTHINGTN, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-219PARKVILLE, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-220BALTIMORE, MD VERIZON MARYLAND, INC.
443-221ANNAPOLIS, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-222WORTHINGTN, MD GLOBAL NAPS SOUTH, INC. - MD
443-223ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-224BALTIMORE, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
443-225CAMBRIDGE, MD NEXTEL COMMUNICATIONS, INC. 2004-01-20
443-226BALTIMORE, MD SPRINT SPECTRUM L.P.
443-227PT DEPOSIT, MD GLOBAL NAPS SOUTH, INC. - MD
443-228CHASE, MD US LEC OF MARYLAND, INC.
443-229SEVERNA PK, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-10
443-230ODENTON, MD GLOBAL NAPS SOUTH, INC. - MD
443-231ESSEX, MD AT&T LOCAL
443-232WILLARDS, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-233VIENNA, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-234SNOW HILL, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-235SALISBURY, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-236CARDIFF, MD CORE COMMUNICATIONS, INC. - MD
443-237NORTHBEACH, MD CORE COMMUNICATIONS, INC. - MD
443-238PARKTON, MD GLOBAL NAPS SOUTH, INC. - MD
443-239EASTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2004-01-20
443-240BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2012-01-27
443-241WESTMINSTR, MD GLOBAL NAPS SOUTH, INC. - MD
443-242SPARROWSPT, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-10
443-243FALLSTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-244WESTMINSTR, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-245ELKTON, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-246ELKTON, MD CORE COMMUNICATIONS, INC. - MD
443-247UNION BDG, MD GLOBAL NAPS SOUTH, INC. - MD
443-248BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-01-15
443-249STEVENSVL, MD VERIZON MARYLAND, INC.
443-250BALTIMORE, MD NEXTEL COMMUNICATIONS, INC.
443-251CHESTERTN, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-07-08
443-252PERRYVILLE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-09-08
443-253BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-254ANNAPOLIS, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-255BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-256NORTH EAST, MD GLOBAL NAPS SOUTH, INC. - MD
443-257BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-258EASTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-259COLUMBIA, MD VERIZON MARYLAND, INC.
443-260SALISBURY, MD VERIZON MARYLAND, INC.
443-261SEVERNA PK, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
443-262CENTREVL, MD VERIZON MARYLAND, INC.
443-263BALTIMORE, MD VERIZON MARYLAND, INC.
443-264PIKESVILLE, MD GLOBAL NAPS SOUTH, INC. - MD
443-265FORK, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-10
443-266GLENWOOD, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-267DARLINGTON, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-268BALTIMORE, MD CORE COMMUNICATIONS, INC. - MD
443-269TOWSON, MD GLOBAL NAPS SOUTH, INC. - MD
443-270GLENBURNIE, MD PAETEC COMMUNICATIONS, INC. - MD
443-271BALTIMORE, MD NEXTEL COMMUNICATIONS, INC. 2002-10-21
443-272RANDALLSTN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-273REISTERSTN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-274SEVERN, MD VERIZON MARYLAND, INC.
443-275TOWSON, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD
443-276COLUMBIA, MD ALLEGIANCE TELECOM, INC. - MD
443-277SYKESVILLE, MD NEXTEL COMMUNICATIONS, INC.
443-278BALTIMORE, MD VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 2003-10-02
443-279TOWSON, MD ALLEGIANCE TELECOM, INC. - MD
443-280SYKESVILLE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-281COCKEYSVL, MD ALLEGIANCE TELECOM, INC. - MD
443-282CHESTERTN, MD NEXTEL COMMUNICATIONS, INC. 2004-10-04
443-283COLUMBIA, MD PAETEC COMMUNICATIONS, INC. - MD
443-284WATERLO238, MD GLOBAL NAPS SOUTH, INC. - MD
443-285COLUMBIA, MD VERIZON MARYLAND, INC.
443-286BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-287BALTIMORE, MD VERIZON MARYLAND, INC.
443-288ELLICOTTCY, MD ALLEGIANCE TELECOM, INC. - MD
443-289WESTMINSTR, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD 2011-05-16
443-290PARKVILLE, MD TW TELECOM OF MARYLAND LLC - MD
443-291HAMPSTEAD, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-292CROFTON, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-293WESTMINSTR, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-294WEST RIVER, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-295PRINCEFRCK, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-296WATERLO238, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-297ARBUTUS, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-298EASTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2002-11-15
443-299FALLSTON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-300SYKESVILLE, MD BROADWING COMMUNICATIONS. LLC - MD
443-301BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2012-04-05
443-302CROFTON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-303ABERDEEN, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-304ARBUTUS, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-305ARGRGBSNIS, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-306SEVERNA PK, MD SPRINT SPECTRUM L.P.
443-307BEL AIR, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-308SEVERN, MD ALLEGIANCE TELECOM, INC. - MD
443-309ELKTON, MD NEXTEL COMMUNICATIONS, INC.
443-310BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-311
443-312BRYNPKLNCM, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-313FORK, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-314BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-02-01
443-315CATONSVL, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-316WOODLAWN, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-317CHASE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-318COCKEYSVL, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-319COLUMBIA, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-320BALTIMORE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-321ANNAPOLIS, MD PAETEC COMMUNICATIONS, INC. - MD
443-322TOWSON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-10
443-323SHARPTOWN, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-324BALTIMORE, MD NEXTEL COMMUNICATIONS, INC.
443-325ELLICOTTCY, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-326BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2001-02-21
443-327ABERDEEN, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-328SYKESVILLE, MD GLOBAL NAPS SOUTH, INC. - MD
443-329WATERLO236, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-330COCKEYSVL, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-331TANEYTOWN, MD GLOBAL NAPS SOUTH, INC. - MD
443-332CROFTON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-09
443-333ANNAPOLIS, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2009-02-13
443-334PIKESVILLE, MD ALLEGIANCE TELECOM, INC. - MD 2001-03-14
443-335BRYNPKLNCM, MD GLOBAL NAPS SOUTH, INC. - MD
443-336ANNAPOLIS, MD NEXTEL COMMUNICATIONS, INC.
443-337SPARROWSPT, MD GLOBAL NAPS SOUTH, INC. - MD
443-338SPARKSGLNC, MD GLOBAL NAPS SOUTH, INC. - MD
443-339SHERWD FOR, MD GLOBAL NAPS SOUTH, INC. - MD
443-340WESTMINSTR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-341CATONSVL, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-342SOLOMONS, MD GLOBAL NAPS SOUTH, INC. - MD
443-343MILLERSVL, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-344SEVERNA PK, MD CORE COMMUNICATIONS, INC. - MD
443-345ABERDEEN, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-346SEVERNA PK, MD GLOBAL NAPS SOUTH, INC. - MD
443-347CARDIFF, MD GLOBAL NAPS SOUTH, INC. - MD
443-348WOODLAWN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-349SILVER RUN, MD CORE COMMUNICATIONS, INC. - MD
443-350ELKTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-351ODENTON, MD US LEC OF MARYLAND, INC.
443-352PIKESVILLE, MD AT&T LOCAL
443-353COCKEYSVL, MD VERIZON MARYLAND, INC. 2004-03-19
443-354GLENBURNIE, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-355ELLICOTTCY, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-356BEL AIR, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-357PIKESVILLE, MD VERIZON MARYLAND, INC.
443-358SALISBURY, MD YMAX COMMUNICATIONS CORP. - MD 2011-02-17
443-359DELMAR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-360ABERDEEN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-361SYKESVILLE, MD CORE COMMUNICATIONS, INC. - MD
443-362EASTON, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-363SEVERN, MD GLOBAL NAPS SOUTH, INC. - MD
443-364ELLICOTTCY, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-365SALISBURY, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-366SALISBURY, MD SPRINT SPECTRUM L.P. 2001-04-17
443-367COLUMBIA, MD VERIZON MARYLAND, INC.
443-368WESTMINSTR, MD CORE COMMUNICATIONS, INC. - MD
443-369BEL AIR, MD CORE COMMUNICATIONS, INC. - MD
443-370ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-371BEL AIR, MD BROADWING COMMUNICATIONS. LLC - MD
443-372EDGEWOOD, MD US LEC OF MARYLAND, INC. 2001-03-19
443-373OCEAN CITY, MD SPRINT SPECTRUM L.P.
443-374ABERDEEN, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-375HAMPSTEAD, MD NEXTEL COMMUNICATIONS, INC.
443-376DUNDALK, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-377TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2010-06-09
443-378BALTIMORE, MD NEXTEL COMMUNICATIONS, INC. 2004-07-27
443-379PIKESVILLE, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 2007-02-23
443-380WOODLAWN, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-381REISTERSTN, MD GLOBAL NAPS SOUTH, INC. - MD
443-382CAMBRIDGE, MD CORE COMMUNICATIONS, INC. - MD
443-383SILVER RUN, MD GLOBAL NAPS SOUTH, INC. - MD
443-384PARKVILLE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-385EASTON, MD CORE COMMUNICATIONS, INC. - MD
443-386BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-387POCOMOKE, MD CORE COMMUNICATIONS, INC. - MD
443-388BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-04-13
443-389SALISBURY, MD CORE COMMUNICATIONS, INC. - MD
443-390CHURCHVL, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-391COCKEYSVL, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-392BALTIMORE, MD AT&T LOCAL
443-393COLUMBIA, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-394PIKESVILLE, MD VERIZON MARYLAND, INC.
443-395ABERDEEN, MD VERIZON MARYLAND, INC. 2009-08-13
443-396ODENTON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-397SALISBURY, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-04-06
443-398SYKESVILLE, MD NEXTEL COMMUNICATIONS, INC. 2001-03-15
443-399DUNDALK, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-400BRYNPKLNCM, MD XO MARYLAND, LLC
443-401BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-10-17
443-402EDGEWOOD, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-403ABERDEEN, MD BROADWING COMMUNICATIONS. LLC - MD 2001-06-20
443-404SOLOMONS, MD SPRINT SPECTRUM L.P.
443-405RANDALLSTN, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-406ELKTON, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-407DUNDALK, MD ALLEGIANCE TELECOM, INC. - MD
443-408SPARROWSPT, MD XO MARYLAND, LLC
443-409EDGEWOOD, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-411
443-412CHURCHVL, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-413BALTIMORE, MD SPRINT SPECTRUM L.P.
443-414BALTIMORE, MD SPRINT SPECTRUM L.P.
443-415BALTIMORE, MD SPRINT SPECTRUM L.P.
443-416BALTIMORE, MD SPRINT SPECTRUM L.P.
443-417FALLSTON, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-418BALTIMORE, MD SPRINT SPECTRUM L.P.
443-419GLENWOOD, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-420ELLICOTTCY, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-421FORK, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-422GLENBURNIE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2009-02-13
443-423BALTIMORE, MD BROADWING COMMUNICATIONS. LLC - MD
443-424CARDIFF, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-425PARKVILLE, MD AT&T LOCAL
443-426RANDALLSTN, MD PAETEC COMMUNICATIONS, INC. - MD
443-427PRINCEANNE, MD CORE COMMUNICATIONS, INC. - MD
443-428COCKEYSVL, MD CORE COMMUNICATIONS, INC. - MD
443-429WOODLAWN, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-430COLUMBIA, MD XO MARYLAND, LLC 2001-05-18
443-431RANDALLSTN, MD GLOBAL NAPS SOUTH, INC. - MD
443-432PRINCEFRCK, MD GLOBAL NAPS SOUTH, INC. - MD
443-433ANNAPOLIS, MD XO MARYLAND, LLC 2001-02-21
443-434FEDERALSBG, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 2004-11-01
443-435BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-02-01
443-436WOODLAWN, MD VERIZON MARYLAND, INC.
443-437POCOMOKE, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 2004-11-01
443-438BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2008-10-08
443-439TRAPPE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2004-11-01
443-440ANNAPOLIS, MD VERIZON MARYLAND, INC.
443-441GLENWOOD, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-442PARKVILLE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-09
443-443
443-444BALTIMORE, MD VERIZON MARYLAND, INC.
443-445ELKRIDGE, MD VERIZON MARYLAND, INC.
443-446QUEENSTOWN, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD 2004-11-01
443-447BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2008-12-15
443-448DENTON, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 2004-11-01
443-449BALTIMORE, MD BROADVIEW NETWORKS, INC. - MD 2007-03-28
443-450PIKESVILLE, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-451BALTIMORE, MD PAETEC COMMUNICATIONS, INC. - MD
443-452BALTIMORE, MD US LEC OF MARYLAND, INC. 2005-09-07
443-453BALTIMORE, MD NEUTRAL TANDEM-MARYLAND, LLC - MD 2007-10-12
443-454ANNAPOLIS, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-455BALTIMORE, MD VERIZON MARYLAND, INC. 2006-03-09
443-456EDGEWOOD, MD AT&T LOCAL
443-457BRYNPKLNCM, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-458ANNAPOLIS, MD ALLEGIANCE TELECOM, INC. - MD
443-459ELKRIDGE, MD PAETEC COMMUNICATIONS, INC. - MD
443-460ESSEX, MD ALLEGIANCE TELECOM, INC. - MD
443-461PARKVILLE, MD US LEC OF MARYLAND, INC.
443-462BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2008-11-06
443-463BALTIMORE, MD NEXTEL COMMUNICATIONS, INC.
443-464CHURCHVL, MD BROADVIEW NETWORKS, INC. - MD 2010-03-16
443-465TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-466ELKTON, MD SPRINT SPECTRUM L.P.
443-467BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2009-03-20
443-468BALTIMORE, MD SPRINT SPECTRUM L.P. 2007-04-04
443-469BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2009-03-20
443-470TOWSON, MD US LEC OF MARYLAND, INC. 2008-04-29
443-471PIKESVILLE, MD US LEC OF MARYLAND, INC.
443-472COLUMBIA, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-473BALTIMORE, MD SPRINT SPECTRUM L.P. 2007-03-28
443-474CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-475BALTIMORE, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD 2011-06-01
443-476ANNAPOLIS, MD VERIZON MARYLAND, INC.
443-477CAMBRIDGE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-01-13
443-478BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-03-06
443-479WATERLO236, MD VERIZON MARYLAND, INC.
443-480CHESTERTN, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-481ANNAPOLIS, MD VERIZON MARYLAND, INC.
443-482ANNAPOLIS, MD VERIZON MARYLAND, INC.
443-483CARDIFF, MD BROADWING COMMUNICATIONS. LLC - MD
443-484EDGEWOOD, MD BROADWING COMMUNICATIONS. LLC - MD
443-485ELKTON, MD BROADWING COMMUNICATIONS. LLC - MD
443-486PRINCEFRCK, MD BROADWING COMMUNICATIONS. LLC - MD
443-487WESTMINSTR, MD BROADWING COMMUNICATIONS. LLC - MD
443-488BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2010-06-23
443-489CHASE, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-490EDGEWOOD, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-491PARKTON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-492ELKRIDGE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-493DELMAR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-03-06
443-494MILLERSVL, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-495PARKVILLE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-496EASTON, MD NEXTEL COMMUNICATIONS, INC.
443-497SALISBURY, MD NEXTEL COMMUNICATIONS, INC.
443-498CATONSVL, MD ALLEGIANCE TELECOM, INC. - MD
443-499JARRETTSVL, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-500BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2009-03-20
443-501PIKESVILLE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-502HAVREGRACE, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-503DUNDALK, MD XO MARYLAND, LLC
443-504FALLSTON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-505ESSEX, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-506BALTIMORE, MD NEXTEL COMMUNICATIONS, INC.
443-507HAMPSTEAD, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-508HAMPSTEAD, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-509BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-02-10
443-510ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-12-04
443-511
443-512EDGEWOOD, MD VERIZON MARYLAND, INC.
443-513BERLIN, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-514CATONSVL, MD US LEC OF MARYLAND, INC.
443-515CAMBRIDGE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-06-08
443-516SYKESVILLE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-517GLENBURNIE, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-518COLUMBIA, MD VERIZON MARYLAND, INC. 2008-12-16
443-519TOWSON, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-520CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-521CAMBRIDGE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
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443-667
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443-700
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443-711
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443-763GLENBURNIE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
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443-793PARKVILLE, MD XO MARYLAND, LLC
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443-807FALLSTON, MD NEXTEL COMMUNICATIONS, INC.
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443-809BALTIMORE, MD GLOBAL NAPS SOUTH, INC. - MD
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443-811
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443-815ESSEX, MD XO MARYLAND, LLC
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443-830CATONSVL, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-08-21
443-831BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-832COLUMBIA, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-833ARBUTUS, MD US LEC OF MARYLAND, INC.
443-834TOWSON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-835BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2008-12-11
443-836BALTIMORE, MD GLOBAL NAPS SOUTH, INC. - MD
443-837ANNAPOLIS, MD US LEC OF MARYLAND, INC. 2001-09-24
443-838BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-839BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2006-04-17
443-840CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2005-05-04
443-841TOWSON, MD VERIZON MARYLAND, INC.
443-842BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-03-10
443-843HAVREGRACE, MD VERIZON MARYLAND, INC.
443-844BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-02-13
443-845BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-846TOWSON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-847TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-10-12
443-848GLENBURNIE, MD NEXTEL COMMUNICATIONS, INC.
443-849TOWSON, MD VERIZON MARYLAND, INC. 2001-05-18
443-850BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-09-24
443-851CATONSVL, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-08-21
443-852ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2001-08-21
443-853BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2010-07-27
443-854BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-11-19
443-855ABERDEEN, MD LIGHTWAVE COMMUNICATIONS, LLC - MD 2005-05-20
443-856OCEAN CITY, MD CORE COMMUNICATIONS, INC. - MD 2002-07-02
443-857BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-858BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-859SALISBURY, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
443-860CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2005-05-04
443-861ABERDEEN, MD VERIZON MARYLAND, INC. 2009-08-13
443-862TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-10-07
443-863BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2010-08-09
443-864COLUMBIA, MD NEXTEL COMMUNICATIONS, INC. 2001-12-19
443-865BALTIMORE, MD NEXTEL COMMUNICATIONS, INC. 2002-04-19
443-866BEL AIR, MD SPRINT SPECTRUM L.P. 2002-07-02
443-867GLENBURNIE, MD PAETEC COMMUNICATIONS, INC. - MD
443-868ESSEX, MD VERIZON MARYLAND, INC.
443-869BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-06-12
443-870PIKESVILLE, MD TW TELECOM OF MARYLAND LLC - MD
443-871ANNAPOLIS, MD NEXTEL COMMUNICATIONS, INC.
443-872BALTIMORE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-873BALTIMORE, MD INFOTELECOM, LLC - MD 2010-02-23
443-874BALTIMORE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-875ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-876BEL AIR, MD SPRINT SPECTRUM L.P.
443-877NORTH EAST, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-878COLUMBIA, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-879DUNDALK, MD VERIZON MARYLAND, INC.
443-880SALISBURY, MD AT&T LOCAL
443-881REISTERSTN, MD NEXTEL COMMUNICATIONS, INC. 2006-09-26
443-882BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-02-01
443-883GLENBURNIE, MD AT&T LOCAL
443-884BALTIMORE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-885BALTIMORE, MD VERIZON MARYLAND, INC.
443-886COCKEYSVL, MD AT&T LOCAL
443-887CATONSVL, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2010-05-05
443-888PRINCEANNE, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 2011-01-06
443-889GLENBURNIE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-04-20
443-890BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-08-10
443-891GLENBURNIE, MD XO MARYLAND, LLC
443-892NEWWINDSOR, MD BANDWIDTH.COM CLEC, LLC - MD 2011-08-11
443-893WOODLAWN, MD XO MARYLAND, LLC
443-894BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-06-30
443-895TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-04-09
443-896COLUMBIA, MD AT&T LOCAL
443-897BALTIMORE, MD LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. 2011-04-12
443-898PIKESVILLE, MD LEVEL 3 COMMUNICATIONS, LLC - MD 2005-12-08
443-899WATERLO238, MD BROADWING COMMUNICATIONS. LLC - MD
443-901TOWSON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-08-21
443-902BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-01-06
443-903BEL AIR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-904BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2001-10-17
443-905ANNAPOLIS, MD SPRINT SPECTRUM L.P. 2011-08-12
443-906ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-907ELKTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2001-04-20
443-908BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-06-29
443-909BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-08-09
443-910BEL AIR, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2001-04-20
443-911
443-912TOWSON, MD CORE COMMUNICATIONS, INC. - MD 2002-07-02
443-913BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-06-30
443-914WORTHINGTN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-915BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-916BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-08-22
443-917COLUMBIA, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-10-07
443-918TANEYTOWN, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-919BALTIMORE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-920SYKESVILLE, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-921TOWSON, MD PAETEC COMMUNICATIONS, INC. - MD
443-922EDGEWOOD, MD ATX TELECOMMUNICATIONS SERVICES, LTD 2006-02-07
443-923BALTIMORE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-11
443-924ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2009-07-06
443-925BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2006-02-24
443-926ANNAPOLIS, MD BROADWING COMMUNICATIONS. LLC - MD
443-927BALTIMORE, MD BROADWING COMMUNICATIONS. LLC - MD
443-928BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2001-09-24
443-929PIKESVILLE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-04-20
443-930BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-04-06
443-931BALTIMORE, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD 2011-10-24
443-932BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-08-22
443-933COCKEYSVL, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD 2004-04-20
443-934BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-12-04
443-935TOWSON, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2006-07-31
443-936BALTIMORE, MD VERIZON MARYLAND, INC.
443-937UNION BDG, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-938BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-08-06
443-939BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2002-09-23
443-940PIKESVILLE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-08-21
443-941ELKTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-942SEVERNA PK, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-943SPARROWSPT, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-944SALISBURY, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 2006-06-08
443-945ELKTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC 2002-07-02
443-946PARKVILLE, MD GLOBAL NAPS SOUTH, INC. - MD
443-947PERRYVILLE, MD GLOBAL NAPS SOUTH, INC. - MD
443-948BALTIMORE, MD SPRINT SPECTRUM L.P. 2011-08-22
443-949ANNAPOLIS, MD COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD 2006-06-28
443-950
443-951ANNAPOLIS, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-952WESTMINSTR, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-953SALISBURY, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-954BALTIMORE, MD PAETEC COMMUNICATIONS, INC. - MD 2005-07-06
443-955BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-03-13
443-956BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-957BALTIMORE, MD AT&T LOCAL
443-958
443-959
443-960GLENBURNIE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-10-07
443-961PERRYVILLE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-09-07
443-962GLENBURNIE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2007-09-14
443-963BALTIMORE, MD HALO WIRELESS SERVICES, INC. 2011-12-01
443-964NORTHBEACH, MD LEVEL 3 COMMUNICATIONS, LLC - MD 2006-05-12
443-965BALTIMORE, MD NEXTEL COMMUNICATIONS, INC. 2006-06-21
443-966FALLSTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-09-13
443-967NORTH EAST, MD VERIZON MARYLAND, INC. 2001-04-20
443-968PRINCEFRCK, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-969ESSEX, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-11
443-970BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-11-21
443-971TANEYTOWN, MD BANDWIDTH.COM CLEC, LLC - MD 2011-02-16
443-972CAMBRIDGE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-11-21
443-973ELLICOTTCY, MD XO MARYLAND, LLC
443-974WESTMINSTR, MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
443-975PRINCEFRCK, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-976CROFTON, MD BALTIMORE-WASHINGTON TELEPHONE BWT
443-977BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-10-12
443-978SALISBURY, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-11-21
443-979COLUMBIA, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-11-21
443-980CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-981FALLSTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-11-21
443-982BALTIMORE, MD YMAX COMMUNICATIONS CORP. - MD 2007-05-30
443-983BALTIMORE, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2002-07-02
443-984BALTIMORE, MD VERIZON MARYLAND, INC.
443-985RANDALLSTN, MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2001-06-20
443-986BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2006-07-13
443-987BEL AIR, MD AT&T LOCAL
443-988CENTREVL, MD LEVEL 3 COMMUNICATIONS, LLC - MD 2006-06-08
443-989GLENBURNIE, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 2001-05-11
443-990BALTIMORE, MD BANDWIDTH.COM CLEC, LLC - MD 2011-02-04
443-991TOWSON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 2011-12-01
443-992BALTIMORE, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-993ELKTON, MD METRO PCS, INC. 2010-12-13
443-994ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-995ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-996CATONSVL, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-997BALTIMORE, MD VERIZON MARYLAND, INC.
443-998PARKVILLE, MD VERIZON MARYLAND, INC. 2001-03-19
443-999BALTIMORE, MD VERIZON MARYLAND, INC.
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