Local Calling Guide

Area code/prefix search

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

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
983-224 A Denver CO   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 656   2026-04-28   
983-224 0 Denver CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2026-04-29   
983-224 1 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-29   
983-224 2 Denver CO   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 656   2026-04-28   
983-224 3 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-05-08   
983-224 4 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-05-08   
983-224 5 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-05-08   
983-224 6 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-06-08   
983-224 7 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-29   
983-224 8 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-29   
983-224 9 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2026-04-29   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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