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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-200 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
720-201 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-202 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-203 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-204 A Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-205 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-206 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-207 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-208 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-209 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-210 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-212 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-213 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-214 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-215 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-216 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-217 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-218 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-219 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-220 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-221 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-222 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-223 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-224 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-226 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-227 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-228 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-229 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-230 A Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-231 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-232 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-233 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-234 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-235 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-236 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-237 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-238 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-239 A Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-240 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-241 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-242 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-243 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-244 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-245 A Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-246 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-247 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-248 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-249 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-250 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-251 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-252 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-253 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-254 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-255 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-256 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-257 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-258 A Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-259 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-260 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-261 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-262 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-264 A Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-265 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-266 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-267 A Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-268 A Denver CO ENWDCOABDS0  9636 QWEST CORPORATION 656      
720-269 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-270 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-271 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-272 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-273 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-274 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-275 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-276 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-277 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-278 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-279 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-280 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-281 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-282 A Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-283 A Denver CO LTTNCOMADS0  9636 QWEST CORPORATION 656      
720-284 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-285 A Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-286 A Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-287 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-288 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-289 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-290 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-291 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-292 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-293 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-294 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-295 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-296 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-297 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-298 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-299 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-300 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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