Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-456 1 Denver CO   656   2025-11-28   
983-456 2 Denver CO   656   2025-11-28   
983-456 3 Denver CO   656   2025-11-28   
983-456 4 Denver CO   656   2025-11-28   
983-456 5 Denver CO   656   2025-11-28   
983-456 8 Denver CO   656   2025-11-28   
983-456 9 Denver CO   656   2025-11-28   
983-587 1 Denver CO   656   2026-06-08   
983-587 9 Denver CO   656   2026-06-22   
983-900 8 Denver CO   656   2026-01-05   
983-900 9 Denver CO   656   2026-01-05   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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