Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CHICCACWCM1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
530-991 9 Oroville CA 6010 NEW CINGULAR WIRELESS PCS, LLC 724   2025-01-12   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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