Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Downey, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
562-966 9 LNBHCAXPXAY  624H ONVOY SPECTRUM, LLC 730   2022-03-01   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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