Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 026D ONVOY, LLC - CO

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-955 8 Denver CO   656   2025-10-27   
983-955 9 Denver CO   656   2025-10-27   
983-983 6 Longmont CO DNVTCOZIDS1  656   2024-04-04   
983-999 0 Denver CO DNVTCOZIDS1  656   2023-10-09   
983-999 2 Denver CO DNVTCOZIDS1  656   2023-10-09   
983-999 8 Denver CO DNVTCOZIDS1  656   2023-10-09   

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

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