Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 850D ONVOY, LLC - DC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
771-999 7 Washington Zone 1 DC VINNVACBDS0  236   2022-05-08   
771-999 8 Washington Zone 1 DC VINNVACBDS0  236   2022-05-08   

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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