Area Codes > 720 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
720-200 | DENVER | CO | QWEST CORPORATION |
720-201 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-203 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-204 | LONGMONT | CO | AT&T LOCAL |
720-205 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-206 | DENVER | CO | XO COLORADO, LLC |
720-207 | AURORA | CO | XO COLORADO, LLC |
720-208 | DENVER | CO | XO COLORADO, LLC |
720-209 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-210 | DENVER | CO | XO COLORADO, LLC |
720-211 | CO | ||
720-212 | DENVER | CO | XO COLORADO, LLC |
720-213 | DENVERSLVN | CO | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO |
720-214 | DENVER | CO | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO |
720-216 | AURORA | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-217 | DENVER | CO | T-MOBILE USA, INC. |
720-218 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-219 | DENVER | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
720-220 | DENVER | CO | T-MOBILE USA, INC. |
720-221 | DENVER | CO | XO COLORADO, LLC |
720-222 | AURORA | CO | XO COLORADO, LLC |
720-223 | BRIGHTON | CO | XO COLORADO, LLC |
720-224 | DENVER | CO | XO COLORADO, LLC |
720-225 | DENVER | CO | XO COLORADO, LLC |
720-226 | DENVER | CO | XO COLORADO, LLC |
720-227 | DENVER | CO | XO COLORADO, LLC |
720-228 | DENVER | CO | XO COLORADO, LLC |
720-229 | DENVER | CO | XO COLORADO, LLC |
720-230 | BRIGHTON | CO | XO COLORADO, LLC |
720-231 | DENVER | CO | T-MOBILE USA, INC. |
720-232 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-233 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-234 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-235 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-236 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-238 | DENVER | CO | T-MOBILE USA, INC. |
720-239 | DENVER | CO | AT&T LOCAL |
720-240 | DENVER | CO | XO COLORADO, LLC |
720-241 | DENVER | CO | XO COLORADO, LLC |
720-244 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-246 | DENVERSLVN | CO | XO COLORADO, LLC |
720-247 | BRIGHTON | CO | XO COLORADO, LLC |
720-248 | DENVERSLVN | CO | SBC LONG DISTANCE, LLC DBA AT&T LONG DISTANCE - CO |
720-249 | DENVER | CO | XO COLORADO, LLC |
720-250 | DENVER | CO | XO COLORADO, LLC |
720-251 | AURORA | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-252 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-253 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-254 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-255 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-256 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-257 | DENVER | CO | XO COLORADO, LLC |
720-258 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-259 | DENVER | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-260 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-261 | DENVER | CO | T-MOBILE USA, INC. |
720-262 | AURORA | CO | ICG TELECOM GROUP - CO |
720-263 | BRIGHTON | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-264 | DENVER | CO | QWEST CORPORATION |
720-265 | BRIGHTON | CO | XO COLORADO, LLC |
720-266 | DENVER | CO | LEVEL 3 COMMUNICATIONS, LLC - CO |
720-267 | DENVER | CO | QWEST CORPORATION |
720-268 | DENVER | CO | QWEST CORPORATION |
720-269 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-270 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-271 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-272 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-273 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-274 | DENVER | CO | MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO |
720-275 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-276 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-277 | AURORA | CO | ICG TELECOM GROUP - CO |
720-278 | AURORA | CO | TIME WARNER TELECOM OF COLORADO LLC-CO |
720-279 | DENVER | CO | TIME WARNER TELECOM OF COLORADO LLC-CO |
720-280 | DENVER | CO | T-MOBILE USA, INC. |
720-281 | AURORA | CO | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO |
720-282 | DENVERSLVN | CO | TIME WARNER TELECOM OF COLORADO LLC-CO |
720-283 | DENVER | CO | QWEST CORPORATION |
720-284 | DENVER | CO | XO COLORADO, LLC |
720-286 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-289 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-290 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-291 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-293 | DENVER | CO | XO COLORADO, LLC |
720-294 | DENVER | CO | XO COLORADO, LLC |
720-296 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-297 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-298 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-299 | DENVER | CO | T-MOBILE USA, INC. |
720-300 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-301 | DENVER | CO | SPRINT SPECTRUM L.P. |
720-302 | DENVER | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-304 | DENVER | CO | QWEST CORPORATION |
720-305 | DENVER | CO | TIME WARNER TELECOM OF COLORADO LLC-CO |
720-306 | DENVERSLVN | CO | ESCHELON TELECOM OF COLORADO, INC. - CO |
720-308 | DENVER | CO | BLUE LICENSES HOLDING, LLC |
720-309 | DENVER | CO | LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC. |
720-310 | ALLNSPKLYN | CO | TELEPORT COMMUNICATIONS GROUP - CO |
720-311 | CO | ||
720-312 | DENVER | CO | SPRINT SPECTRUM L.P. |