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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-200 A Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 0 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
303-200 1 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 2 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 3 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 4 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 5 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 6 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 7 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 8 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-200 9 Denver CO AURRCOBUDS0  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
303-201 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-202 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-203 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-204 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-205 A Denver CO LKWDCOMADS0  9636 QWEST CORPORATION 656      
303-206 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-207 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-208 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-209 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-210 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-210 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-212 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-213 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      
303-214 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 3 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2007-04-14   
303-214 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-214 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-10-23   
303-214 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-215 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-216 A Denver CO GLDNCOMADS0  9636 QWEST CORPORATION 656      
303-217 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-10-17   
303-217 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-10-17   
303-217 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-11-04   
303-217 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2003-02-26   
303-217 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-01   
303-217 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-217 8 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2005-02-06   
303-217 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-20   
303-218 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 3 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-218 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-20   
303-218 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-219 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-219 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
303-219 1 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-01-29   
303-219 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-10-27   
303-219 3 Denver CO   026D ONVOY, LLC - CO 656   2009-02-09   
303-219 4 Denver CO   026D ONVOY, LLC - CO 656   2009-03-23   
303-219 5 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2010-01-02   
303-219 6 Denver CO   026D ONVOY, LLC - CO 656   2009-03-23   
303-219 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-11-04   
303-219 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-10-27   
303-219 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-220 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-221 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-222 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-223 A Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-224 A Denver CO DNVRCODCDS0  9636 QWEST CORPORATION 656      
303-225 A Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2003-04-06   
303-225 1 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 2 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 3 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2003-04-06   
303-225 5 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 7 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-225 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2003-04-06   
303-225 9 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-226 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-227 A Denver CO DNVRCONEDS0  9636 QWEST CORPORATION 656      
303-228 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-229 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-230 A Denver CO DNVRCOMAXTZ  6630 USA MOBILITY WIRELESS, INC. 656      

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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