Local Calling Guide

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

NXX: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-456 A Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 0 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 1 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 2 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 3 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 4 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 5 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 6 Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 7 Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2025-11-24   
983-456 8 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   
983-456 9 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2025-11-28   

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

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