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Area Codes > 623 > Central Office Codes

Exchange Rate Center State Operating Company
623-202 PHOENIX AZ SPRINT SPECTRUM L.P.
623-203 PHOENIX AZ BLUE LICENSES HOLDING, LLC
623-204 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-205 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-206 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-207 PHOENIX AZ QWEST CORPORATION
623-208 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-209 PHOENIX AZ ESCHELON TELECOM OF ARIZONA, INC. - AZ
623-210 PHOENIX AZ SPRINT SPECTRUM L.P.
623-211 AZ
623-212 PHOENIX AZ NETWORK SERVICES LLC
623-214 PHOENIX AZ QWEST CORPORATION
623-215 PHOENIX AZ MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ
623-217 PHOENIX AZ SPRINT SPECTRUM L.P.
623-218 PHOENIX AZ ALLEGIANCE TELECOM OF ARIZONA, INC.-AZ
623-220 AZ
623-221 PHOENIX AZ SPRINT SPECTRUM L.P.
623-222 PHOENIX AZ QWEST CORPORATION
623-225 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-229 PHOENIX AZ BLUE LICENSES HOLDING, LLC
623-234 PHOENIX AZ QWEST CORPORATION
623-236 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-237 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-238 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-239 PHOENIX AZ T-MOBILE USA, INC.
623-241 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-242 PHOENIX AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
623-243 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-245 PHOENIX AZ QWEST CORPORATION
623-247 PHOENIX AZ QWEST CORPORATION
623-249 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-251 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-252 PHOENIX AZ LEVEL 3 COMMUNICATIONS, LLC - AZ
623-255 PHOENIX AZ SPRINT SPECTRUM L.P.
623-256 PHOENIX AZ COX ARIZONA TELCOM, INC. - AZ
623-260 AZ QWEST CORPORATION
623-261 PHOENIX AZ SPRINT SPECTRUM L.P.
623-262 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-266 PHOENIX AZ COX ARIZONA TELCOM, INC. - AZ
623-271 PHOENIX AZ CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ
623-293 PHOENIX AZ AT&T LOCAL
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
623-308 PHOENIX AZ TELEPORT COMMUNICATIONS GROUP - PHOENIX
623-311 AZ
623-313 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
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.
623-330 PHOENIX AZ T-MOBILE USA, INC.
623-332 PHOENIX AZ T-MOBILE USA, INC.
623-333 PHOENIX AZ QWEST CORPORATION
623-334 PHOENIX AZ QWEST CORPORATION
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 MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC
623-349 PHOENIX AZ MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC
623-362 PHOENIX AZ QWEST CORPORATION
623-363 PHOENIX AZ BLUE LICENSES HOLDING, LLC
623-374 PHOENIX AZ QWEST CORPORATION
623-376 PHOENIX AZ QWEST CORPORATION
623-377 PHOENIX AZ ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ
623-385 PHOENIX AZ TIME WARNER TELECOM OF ARIZONA, LLC-AZ
623-386 PHOENIX AZ QWEST CORPORATION
623-388 PHOENIX AZ QWEST CORPORATION
623-393 PHOENIX AZ QWEST CORPORATION
623-398 PHOENIX AZ XO ARIZONA, INC.
623-399 PHOENIX AZ T-MOBILE USA, INC.
623-411 AZ
623-412 PHOENIX AZ QWEST CORPORATION
623-414 PHOENIX AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-418 PHOENIX AZ LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
623-433 PHOENIX AZ NEXTEL COMMUNICATIONS, INC.
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
623-463 PHOENIX AZ QWEST CORPORATION
623-465 PHOENIX AZ QWEST CORPORATION
623-466 PHOENIX AZ MCIMETRO, ATS, INC.
623-474 PHOENIX AZ QWEST CORPORATION
623-476 PHOENIX AZ MCIMETRO, ATS, INC.
623-478 PHOENIX AZ QWEST CORPORATION
623-486 PHOENIX AZ QWEST CORPORATION
623-487 PHOENIX AZ QWEST CORPORATION
623-492 PHOENIX AZ QWEST CORPORATION
623-505 PHOENIX AZ GLOBAL CROSSING LOCAL SERVICES, INC.-AZ
623-511 AZ
623-512 PHOENIX AZ ELECTRIC LIGHTWAVE, LLC DBA INTEGRA TELECOM - AZ
623-516 PHOENIX AZ QWEST CORPORATION
623-518 PHOENIX AZ MCIMETRO, ATS, INC.
623-521 PHOENIX AZ SPRINT SPECTRUM L.P.
623-523 PHOENIX AZ QWEST CORPORATION