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Denver, CO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
303-396 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-11-04   
303-396 8   6529 T-MOBILE USA, INC. 656   2006-05-06   
303-396 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-18   
303-397 A ENWDCOABDS0  9636 QWEST CORPORATION 656      
303-398 A DNVRCOEADS0  9636 QWEST CORPORATION 656      
303-399 A DNVRCOEADS0  9636 QWEST CORPORATION 656      
303-400 A DNVRCOSHDS0  9636 QWEST CORPORATION 656      
303-401 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-401 0   939H COMMIO, LLC 656   2024-03-25   
303-401 1   939H COMMIO, LLC 656   2024-03-25   
303-401 2   9636 QWEST CORPORATION 656      
303-401 3   9636 QWEST CORPORATION 656      
303-401 4   9636 QWEST CORPORATION 656      
303-401 5   9636 QWEST CORPORATION 656      
303-401 6   9636 QWEST CORPORATION 656      
303-401 7   9636 QWEST CORPORATION 656      
303-401 8   9636 QWEST CORPORATION 656      
303-401 9   9636 QWEST CORPORATION 656      
303-402 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-403 A ARVDCOMADS0  9636 QWEST CORPORATION 656      
303-404 A BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-405 A DNVRCOMADS0  9636 QWEST CORPORATION 656      
303-406 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-406 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-05-19   
303-406 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-10-20   
303-406 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-406 3   6529 T-MOBILE USA, INC. 656   2006-07-08   
303-406 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-406 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-406 6   624H ONVOY SPECTRUM, LLC 656   2022-05-13   
303-406 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-406 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2006-06-08   
303-406 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-407 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-408 A DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-408 0   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 1   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 2   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 4   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 5   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 7   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-408 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-10-16   
303-409 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-08-08   
303-409 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 5   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
303-409 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-409 8   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-07-16   
303-409 9   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-05-19   
303-410 A BRFDCOMADS0  9636 QWEST CORPORATION 656      
303-412 A WMNSCOMADS0  9636 QWEST CORPORATION 656      
303-413 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-414 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 0   6529 T-MOBILE USA, INC. 656   2022-06-24   
303-414 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 3   6529 T-MOBILE USA, INC. 656   2022-06-24   
303-414 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-414 8   6529 T-MOBILE USA, INC. 656   2022-06-24   
303-414 9   6529 T-MOBILE USA, INC. 656   2022-06-24   
303-415 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-416 A   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 0   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2006-07-18   
303-416 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 3   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 6   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-416 9   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-417 A BLDRCOMADS0  9636 QWEST CORPORATION 656      
303-418 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 0   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 1   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 2   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 3   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-07-16   
303-418 4   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 5   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 6   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-07-16   
303-418 7   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 8   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-418 9   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-07-16   
303-419 A DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
303-419 0   6529 T-MOBILE USA, INC. 656      
303-419 1   6529 T-MOBILE USA, INC. 656      
303-419 2   6529 T-MOBILE USA, INC. 656      
303-419 3   6529 T-MOBILE USA, INC. 656      
303-419 4   6529 T-MOBILE USA, INC. 656      

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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