Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-998 A Stockton CA   649C ONVOY, LLC - CA 738   2026-07-23   
350-998 0 Stockton CA   649C ONVOY, LLC - CA 738   2026-07-23   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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