623 Area Code

Arizona

June 19, 2019

Area Code: 623
State/Region: Arizona
Major Cities: Phoenix
Time Zone: Arizona
Current Time: 9:29 AM
Date Assigned: 1/11/99
In Service Since: 3/1/99
Overlay?: No
Overlay Complex:
Local Call Dialing: 7D
Toll Call Dialing: 1+10D
   

623 Prefixes/Exchanges

Prefix
Location / Company
Company
Assigned
623-201
PHOENIX, AZ
XO ARIZONA, INC.
07/11/2008
623-202
PHOENIX, AZ
SPRINT SPECTRUM L.P.
02/14/2001
623-203
PHOENIX, AZ
NEW CINGULAR WIRELESS PCS, LLC
01/18/2001
623-204
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
03/07/2001
623-205
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
03/07/2001
623-206
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
03/07/2001
623-207
PHOENIX, AZ
QWEST CORPORATION
06/05/2008
623-208
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
06/03/2008
623-209
PHOENIX, AZ
ESCHELON TELECOM OF ARIZONA, INC. - AZ
623-210
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-211
[UNASSIGNED]
623-212
PHOENIX, AZ
AMERICAN MESSAGING SERVICES, LLC
623-214
PHOENIX, AZ
QWEST CORPORATION
623-215
PHOENIX, AZ
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ
03/21/2001
623-217
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-218
PHOENIX, AZ
ALLEGIANCE TELECOM OF ARIZONA, INC.
623-220
[UNASSIGNED]
623-221
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-222
PHOENIX, AZ
QWEST CORPORATION
03/29/2007
623-223
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
06/30/2009
623-224
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
02/13/2009
623-225
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
03/07/2002
623-229
PHOENIX, AZ
NEW CINGULAR WIRELESS PCS, LLC
07/17/2001
623-234
PHOENIX, AZ
QWEST CORPORATION
12/31/2007
623-236
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
03/22/2007
623-237
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
06/21/2007
623-238
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
08/24/2006
623-239
PHOENIX, AZ
T-MOBILE USA, INC.
09/07/2007
623-240
PHOENIX, AZ
XO ARIZONA, INC.
06/15/2009
623-241
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
02/23/2007
623-242
PHOENIX, AZ
LEVEL 3 COMMUNICATIONS, LLC - AZ
01/05/2006
623-243
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
02/05/2007
623-245
PHOENIX, AZ
QWEST CORPORATION
623-247
PHOENIX, AZ
QWEST CORPORATION
623-249
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
05/23/2007
623-251
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
09/05/2007
623-252
PHOENIX, AZ
LEVEL 3 COMMUNICATIONS, LLC - AZ
09/07/2007
623-255
PHOENIX, AZ
SPRINT SPECTRUM L.P.
03/16/2007
623-256
PHOENIX, AZ
COX ARIZONA TELCOM, INC. - AZ
07/14/2004
623-258
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
09/09/2009
623-260
QWEST CORPORATION
[UNASSIGNED]
623-261
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-262
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
01/19/2006
623-266
PHOENIX, AZ
COX ARIZONA TELCOM, INC. - AZ
07/17/2002
623-271
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
09/27/2006
623-277
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
07/19/2010
623-282
PHOENIX, AZ
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
10/04/2011
623-293
PHOENIX, AZ
AT&T LOCAL
623-295
PHOENIX, AZ
BANDWIDTH.COM CLEC, LLC - AZ
07/22/2011
623-297
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-298
PHOENIX, AZ
XO ARIZONA, INC.
623-302
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/09/2007
623-308
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-311
[UNASSIGNED]
623-313
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
04/06/2006
623-321
PHOENIX, AZ
PAC - WEST TELECOMM, INC. - AZ
623-322
PHOENIX, AZ
COX ARIZONA TELCOM, INC. - AZ
623-326
PHOENIX, AZ
T-MOBILE USA, INC.
623-327
PHOENIX, AZ
QWEST CORPORATION
623-328
PHOENIX, AZ
QWEST CORPORATION
623-329
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
10/24/2001
623-330
PHOENIX, AZ
T-MOBILE USA, INC.
623-332
PHOENIX, AZ
T-MOBILE USA, INC.
623-333
PHOENIX, AZ
QWEST CORPORATION
08/29/2006
623-334
PHOENIX, AZ
QWEST CORPORATION
623-335
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
07/06/2011
623-336
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
04/05/2010
623-337
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-340
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-341
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-344
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-349
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-362
PHOENIX, AZ
QWEST CORPORATION
623-363
PHOENIX, AZ
NEW CINGULAR WIRELESS PCS, LLC
623-374
PHOENIX, AZ
QWEST CORPORATION
623-376
PHOENIX, AZ
QWEST CORPORATION
623-377
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
03/06/2002
623-385
PHOENIX, AZ
TW TELECOM OF ARIZONA LLC
623-386
PHOENIX, AZ
QWEST CORPORATION
623-387
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
03/29/2011
623-388
PHOENIX, AZ
QWEST CORPORATION
623-393
PHOENIX, AZ
QWEST CORPORATION
623-396
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
09/01/2011
623-398
PHOENIX, AZ
XO ARIZONA, INC.
623-399
PHOENIX, AZ
T-MOBILE USA, INC.
623-411
[UNASSIGNED]
623-412
PHOENIX, AZ
QWEST CORPORATION
623-414
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
09/12/2006
623-418
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
10/24/2001
623-419
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
01/30/2012
623-428
PHOENIX, AZ
BANDWIDTH.COM CLEC, LLC - AZ
10/20/2010
623-432
PHOENIX, AZ
NEXTEL COMMUNICATIONS, INC.
10/02/2009
623-433
PHOENIX, AZ
NEXTEL COMMUNICATIONS, INC.
09/21/2005
623-434
PHOENIX, AZ
QWEST CORPORATION
623-435
PHOENIX, AZ
QWEST CORPORATION
623-444
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-445
PHOENIX, AZ
QWEST CORPORATION
623-451
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-455
PHOENIX, AZ
LEVEL 3 COMMUNICATIONS, LLC - AZ
12/27/2004
623-463
PHOENIX, AZ
QWEST CORPORATION
623-465
PHOENIX, AZ
QWEST CORPORATION
623-466
PHOENIX, AZ
COX ARIZONA TELCOM, INC. - AZ
623-474
PHOENIX, AZ
QWEST CORPORATION
623-476
PHOENIX, AZ
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-478
PHOENIX, AZ
QWEST CORPORATION
623-480
[UNASSIGNED]
623-486
PHOENIX, AZ
QWEST CORPORATION
623-487
PHOENIX, AZ
QWEST CORPORATION
623-492
PHOENIX, AZ
QWEST CORPORATION
623-498
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
04/16/2010
623-505
PHOENIX, AZ
GLOBAL CROSSING LOCAL SERVICES, INC.-AZ
623-511
[UNASSIGNED]
623-512
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-516
PHOENIX, AZ
QWEST CORPORATION
623-518
PHOENIX, AZ
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-520
[UNASSIGNED]
623-521
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-523
PHOENIX, AZ
QWEST CORPORATION
623-524
PHOENIX, AZ
QWEST CORPORATION
07/06/2010
623-533
PHOENIX, AZ
SPRINT SPECTRUM L.P.
623-535
PHOENIX, AZ
QWEST CORPORATION
623-536
PHOENIX, AZ
QWEST CORPORATION
623-537
PHOENIX, AZ
QWEST CORPORATION
623-544
PHOENIX, AZ
QWEST CORPORATION
623-546
PHOENIX, AZ
QWEST CORPORATION
623-547
PHOENIX, AZ
QWEST CORPORATION
623-551
PHOENIX, AZ
QWEST CORPORATION
623-552
PHOENIX, AZ
T-MOBILE USA, INC.
07/23/2008
623-555
QWEST CORPORATION
[UNASSIGNED]
623-556
PHOENIX, AZ
QWEST CORPORATION
623-561
PHOENIX, AZ
QWEST CORPORATION
623-565
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
06/27/2007
623-566
PHOENIX, AZ
QWEST CORPORATION
623-570
PHOENIX, AZ
T-MOBILE USA, INC.
623-572
PHOENIX, AZ
QWEST CORPORATION
623-580
PHOENIX, AZ
QWEST CORPORATION
623-581
PHOENIX, AZ
QWEST CORPORATION
623-582
PHOENIX, AZ
QWEST CORPORATION
623-583
PHOENIX, AZ
QWEST CORPORATION
623-584
PHOENIX, AZ
QWEST CORPORATION
623-587
PHOENIX, AZ
QWEST CORPORATION
623-594
PHOENIX, AZ
COX ARIZONA TELCOM, INC. - AZ
623-602
[UNASSIGNED]
623-606
PHOENIX, AZ
NEW CINGULAR WIRELESS PCS, LLC
623-611
[UNASSIGNED]
623-623
[UNASSIGNED]
623-628
PHOENIX, AZ
T-MOBILE USA, INC.
623-640
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-643
PHOENIX, AZ
QWEST CORPORATION
623-670
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-680
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-687
PHOENIX, AZ
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-688
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-691
PHOENIX, AZ
QWEST CORPORATION
623-692
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/14/2002
623-693
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/14/2002
623-694
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-695
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-696
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/14/2002
623-698
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/14/2002
623-700
[UNASSIGNED]
623-703
PHOENIX, AZ
T-MOBILE USA, INC.
623-707
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-711
[UNASSIGNED]
623-715
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-734
PHOENIX, AZ
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
623-738
PHOENIX, AZ
LEVEL 3 COMMUNICATIONS, LLC - AZ
05/19/2009
623-742
PHOENIX, AZ
QWEST CORPORATION
623-748
PHOENIX, AZ
LEVEL 3 COMMUNICATIONS, LLC - AZ
04/19/2002
623-755
PHOENIX, AZ
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
09/09/2008
623-760
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-764
PHOENIX, AZ
NEXTEL COMMUNICATIONS, INC.
623-772
PHOENIX, AZ
QWEST CORPORATION
623-773
PHOENIX, AZ
QWEST CORPORATION
623-776
PHOENIX, AZ
QWEST CORPORATION
623-777
PHOENIX, AZ
PEERLESS NETWORK OF ARIZONA, LLC - AZ
03/05/2012
623-780
PHOENIX, AZ
QWEST CORPORATION
623-792
PHOENIX, AZ
TW TELECOM OF ARIZONA LLC
623-806
PHOENIX, AZ
GILA LOCAL EXCHANGE CARRIER, INC. - AZ
08/26/2008
623-810
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-811
[UNASSIGNED]
623-815
PHOENIX, AZ
QWEST CORPORATION
623-824
PHOENIX, AZ
TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-825
PHOENIX, AZ
QWEST CORPORATION
623-826
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
06/17/2002
623-827
[UNASSIGNED]
623-832
PHOENIX, AZ
QWEST CORPORATION
07/06/2010
623-842
PHOENIX, AZ
QWEST CORPORATION
623-845
PHOENIX, AZ
QWEST CORPORATION
623-846
PHOENIX, AZ
QWEST CORPORATION
623-847
PHOENIX, AZ
QWEST CORPORATION
623-848
PHOENIX, AZ
QWEST CORPORATION
623-849
PHOENIX, AZ
QWEST CORPORATION
623-850
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-853
PHOENIX, AZ
QWEST CORPORATION
623-856
PHOENIX, AZ
QWEST CORPORATION
623-866
PHOENIX, AZ
QWEST CORPORATION
623-869
PHOENIX, AZ
QWEST CORPORATION
623-872
PHOENIX, AZ
QWEST CORPORATION
623-873
PHOENIX, AZ
QWEST CORPORATION
623-875
PHOENIX, AZ
QWEST CORPORATION
623-876
PHOENIX, AZ
QWEST CORPORATION
04/24/2001
623-877
PHOENIX, AZ
QWEST CORPORATION
623-878
PHOENIX, AZ
QWEST CORPORATION
623-879
PHOENIX, AZ
QWEST CORPORATION
623-880
PHOENIX, AZ
AMERICAN MESSAGING SERVICES, LLC
623-882
PHOENIX, AZ
QWEST CORPORATION
623-889
PHOENIX, AZ
ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-907
PHOENIX, AZ
QWEST CORPORATION
623-910
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-911
[UNASSIGNED]
623-915
PHOENIX, AZ
QWEST CORPORATION
623-925
PHOENIX, AZ
QWEST CORPORATION
623-928
[UNASSIGNED]
623-930
PHOENIX, AZ
QWEST CORPORATION
623-931
PHOENIX, AZ
QWEST CORPORATION
623-932
PHOENIX, AZ
QWEST CORPORATION
623-933
PHOENIX, AZ
QWEST CORPORATION
623-934
PHOENIX, AZ
QWEST CORPORATION
623-935
PHOENIX, AZ
QWEST CORPORATION
623-936
PHOENIX, AZ
QWEST CORPORATION
623-937
PHOENIX, AZ
QWEST CORPORATION
623-939
PHOENIX, AZ
QWEST CORPORATION
623-950
[UNASSIGNED]
623-958
[UNASSIGNED]
623-959
[UNASSIGNED]
623-972
PHOENIX, AZ
QWEST CORPORATION
623-974
PHOENIX, AZ
QWEST CORPORATION
623-975
PHOENIX, AZ
QWEST CORPORATION
623-976
[UNASSIGNED]
623-977
PHOENIX, AZ
QWEST CORPORATION
623-979
PHOENIX, AZ
QWEST CORPORATION
623-980
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
10/09/2001
623-986
PHOENIX, AZ
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
11/03/2006
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