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NPA: 983 [Rate centres in NPA 983] [Dial plan for NPA 983]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-983 6 Longmont CO   026D ONVOY, LLC - CO 656   2024-04-04   
983-983 7 Longmont CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2023-09-08   
983-983 8 Longmont CO   278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2023-09-08   
983-983 9 Longmont CO   616J LEAP TELECOM, LLC 656   2023-06-05   
983-984 A Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-984 0 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-03-10   
983-984 1 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-03-10   
983-984 5 Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-984 6 Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-984 7 Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-984 8 Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-984 9 Denver CO   701J MASH TELECOM INC. 656   2026-03-09   
983-999 A Denver CO DNVRCO26XBY  557H WIDE VOICE, LLC - CO 656      
983-999 0 Denver CO   026D ONVOY, LLC - CO 656   2023-10-09   
983-999 1 Denver CO   321J HD CARRIER LLC 656   2023-10-08   
983-999 2 Denver CO   026D ONVOY, LLC - CO 656   2023-10-09   
983-999 3 Denver CO   321J HD CARRIER LLC 656   2023-10-08   
983-999 4 Denver CO   318J COMCAST IP PHONE, LLC 656   2023-10-21   
983-999 5 Denver CO   318J COMCAST IP PHONE, LLC 656   2023-10-21   
983-999 6 Denver CO   318J COMCAST IP PHONE, LLC 656   2023-10-21   
983-999 7 Denver CO   732J NUSO, LLC 656   2024-01-30   
983-999 8 Denver CO   026D ONVOY, LLC - CO 656   2023-10-09   
983-999 9 Denver CO   557H WIDE VOICE, LLC - CO 656   2023-10-08   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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