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: 208

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-208 A Knights Ferry CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738      
350-208 1 Knights Ferry CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2023-12-11   
350-208 2 Knights Ferry CA SKTNCA01X6Z  516C AT&T CORP. 738   2025-01-08   
350-208 7 Knights Ferry CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 738   2025-04-17   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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