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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
303-498 4 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656   2007-07-06   
303-498 5 Denver CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-05-24   
303-498 6 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656   2007-07-06   
303-498 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-10-27   
303-498 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-06-24   
303-498 9 Denver CO   026D ONVOY, LLC - CO 656   2009-03-23   
303-499 A Denver CO TEMACOMADS0  9636 QWEST CORPORATION 656      
303-500 A Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-500 0 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-01-29   
303-500 1 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-06-30   
303-500 2 Hudson CO DNVRCOII3MD  5562 METROPCS, INC. 656   2005-06-04   
303-500 3 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-05-30   
303-500 4 Hudson CO DNVRCOII3MD  5562 METROPCS, INC. 656   2005-06-04   
303-500 5 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-01-04   
303-500 6 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-01-29   
303-500 7 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-04-09   
303-500 8 Hudson CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-07-15   
303-500 9 Hudson CO DNVRCOII3MD  5562 METROPCS, INC. 656   2006-07-24   
303-501 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-501 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 1 Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656   2007-09-20   
303-501 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-28   
303-501 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-12-31   
303-501 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-12-28   
303-501 9 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-01-11   
303-502 A Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-502 0 Fort Lupton CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-02-02   
303-502 1 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-03   
303-502 2 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-03   
303-502 3 Fort Lupton CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2006-03-01   
303-502 4 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-05   
303-502 5 Fort Lupton CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-04-02   
303-502 6 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-04-07   
303-502 7 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-04-07   
303-502 8 Fort Lupton CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-06-25   
303-502 9 Fort Lupton CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-05-26   
303-503 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-504 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-505 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-505 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-505 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-12-24   
303-506 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 0 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 1 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 2 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 3 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 4 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 5 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 6 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 7 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 8 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2003-02-02   
303-506 9 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2003-02-02   
303-507 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-507 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-508 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-509 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-510 A Denver CO ENWDCOVF0MD  9748 AMERICAN MESSAGING SERVICES, LLC 656      
303-512 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 0 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 1 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 2 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-03-26   
303-512 4 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 5 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 6 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 7 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 8 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-512 9 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
303-513 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-514 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
303-515 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-515 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-09   
303-515 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-02-09   
303-515 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-01-10   
303-515 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-01-27   
303-515 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-01-27   
303-515 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-01-27   
303-515 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-01-27   
303-515 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-01-09   

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

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