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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-999 9 Gustine CA   145J TERRA NOVA TELECOM INC. 738   2022-12-04   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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