Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 209 [Rate centres in NPA 209] [Dial plan for NPA 209]

NXX: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
209-631 A Merced CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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