Area Codes > 520 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
520-200 | HAYDEN | AZ | MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC |
520-201 | SAN MANUEL | AZ | MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC |
520-202 | TUCSON | AZ | TIME WARNER TELECOM OF ARIZONA, LLC-AZ |
520-203 | TUCSON | AZ | XO ARIZONA, INC. |
520-204 | TUCSON | AZ | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- AZ |
520-205 | TUCSON | AZ | QWEST CORPORATION |
520-206 | TUCSON | AZ | QWEST CORPORATION |
520-207 | TUCSON | AZ | COX ARIZONA TELCOM, INC. - AZ |
520-208 | CASAGRANDE | AZ | GLOBAL CROSSING LOCAL SERVICES, INC.-AZ |
520-209 | TUCSON | AZ | QWEST CORPORATION |
520-211 | AZ | ||
520-212 | CASCABEL | AZ | MIDVALE TELEPHONE EXCHANGE, INC. |
520-215 | BLACKWATER | AZ | GILA RIVER TELECOMM, INC. |
520-216 | NOGALES | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-218 | TUCSON | AZ | QWEST CORPORATION |
520-219 | TUCSON | AZ | QWEST CORPORATION |
520-220 | SIERRAVIST | AZ | T-MOBILE USA, INC. |
520-221 | BENSON | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-223 | NOGALES | AZ | LEVEL 3 COMMUNICATIONS, LLC - AZ |
520-224 | SIERRAVIST | AZ | MOUNTAIN TELECOMMUNICATIONS, INC. - CLEC |
520-225 | TUCSON | AZ | QWEST CORPORATION |
520-226 | SIERRAVIST | AZ | LEVEL 3 COMMUNICATIONS, LLC - AZ |
520-227 | SIERRAVIST | AZ | SPRINT SPECTRUM L.P.- AZ |
520-228 | TUCSON | AZ | TIME WARNER TELECOM OF ARIZONA, LLC-AZ |
520-229 | TUCSON | AZ | QWEST CORPORATION |
520-230 | TUCSON | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-232 | TUCSON | AZ | QWEST CORPORATION |
520-233 | CASAGRANDE | AZ | AT&T LOCAL |
520-234 | SIERRAVIST | AZ | AT&T LOCAL |
520-235 | TUCSON | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-236 | SIERRAVIST | AZ | SPRINT SPECTRUM L.P.- AZ |
520-237 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-238 | YUMA | AZ | T-MOBILE USA, INC. |
520-239 | TUCSON | AZ | AT&T LOCAL |
520-240 | TUCSON | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-241 | TUCSON | AZ | BLUE LICENSES HOLDING, LLC |
520-243 | TUCSON | AZ | QWEST CORPORATION |
520-244 | SIERRAVIST | AZ | NETWORK SERVICES LLC |
520-245 | TUCSON | AZ | T-MOBILE USA, INC. |
520-247 | TUCSON | AZ | BLUE LICENSES HOLDING, LLC |
520-248 | TUCSON | AZ | T-MOBILE USA, INC. |
520-249 | SIERRAVIST | AZ | SPRINT SPECTRUM L.P.- AZ |
520-250 | TUCSON | AZ | SPRINT SPECTRUM L.P. |
520-251 | CASAGRANDE | AZ | NEXTEL COMMUNICATIONS, INC. |
520-252 | CASAGRANDE | AZ | SPRINT SPECTRUM L.P. |
520-253 | WILLCOX | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-254 | WILLCOX | AZ | LEVEL 3 COMMUNICATIONS, LLC - AZ |
520-255 | SIERRAVIST | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-256 | TUCSON | AZ | SPRINT SPECTRUM L.P. |
520-258 | TUCSON | AZ | QWEST CORPORATION |
520-259 | TUCSON | AZ | NORTH COUNTY COMMUNICATIONS CORP. |
520-260 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-264 | NOGALES | AZ | AT&T LOCAL |
520-265 | BENSON | AZ | NEXTEL COMMUNICATIONS, INC. |
520-266 | SIERRAVIST | AZ | NEXTEL COMMUNICATIONS, INC. |
520-267 | SIERRAVIST | AZ | NORTH COUNTY COMMUNICATIONS CORP. |
520-269 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-270 | TUCSON | AZ | T-MOBILE USA, INC. |
520-271 | TUCSON | AZ | SPRINT SPECTRUM L.P. |
520-272 | TUCSON | AZ | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
520-275 | TUCSON | AZ | BLUE LICENSES HOLDING, LLC |
520-280 | CASAGRANDE | AZ | SPRINT SPECTRUM L.P. |
520-281 | NOGALES | AZ | QWEST CORPORATION |
520-282 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-285 | NOGALES | AZ | QWEST CORPORATION |
520-287 | NOGALES | AZ | QWEST CORPORATION |
520-289 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-290 | TUCSON | AZ | QWEST CORPORATION |
520-291 | TUCSON | AZ | QWEST CORPORATION |
520-292 | TUCSON | AZ | QWEST CORPORATION |
520-293 | TUCSON | AZ | QWEST CORPORATION |
520-294 | TUCSON | AZ | QWEST CORPORATION |
520-295 | TUCSON | AZ | QWEST CORPORATION |
520-296 | TUCSON | AZ | QWEST CORPORATION |
520-297 | TUCSON | AZ | QWEST CORPORATION |
520-298 | TUCSON | AZ | QWEST CORPORATION |
520-299 | TUCSON | AZ | QWEST CORPORATION |
520-300 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-301 | TUCSON | AZ | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
520-302 | TUCSON | AZ | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
520-303 | TUCSON | AZ | YMAX COMMUNICATIONS CORP. - AZ |
520-304 | TUCSON | AZ | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
520-305 | TUCSON | AZ | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ |
520-307 | TUCSON | AZ | ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ |
520-309 | TUCSON | AZ | BLUE LICENSES HOLDING, LLC |
520-311 | AZ | ||
520-312 | TUCSON | AZ | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
520-313 | NOGALES | AZ | T-MOBILE USA, INC. |
520-315 | CASABLANCA | AZ | GILA RIVER TELECOMM, INC. |
520-316 | CASAGRANDE | AZ | QWEST CORPORATION |
520-318 | TUCSON | AZ | QWEST CORPORATION |
520-319 | TUCSON | AZ | QWEST CORPORATION |
520-320 | TUCSON | AZ | QWEST CORPORATION |
520-321 | TUCSON | AZ | QWEST CORPORATION |
520-322 | TUCSON | AZ | QWEST CORPORATION |
520-323 | TUCSON | AZ | QWEST CORPORATION |
520-324 | TUCSON | AZ | QWEST CORPORATION |
520-325 | TUCSON | AZ | QWEST CORPORATION |
520-326 | TUCSON | AZ | QWEST CORPORATION |
520-327 | TUCSON | AZ | QWEST CORPORATION |