Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

NXX: 530

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-530 A Escalon CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2024-01-15   
350-530 0 Escalon CA SKTNCA01XKZ  624H ONVOY SPECTRUM, LLC 738   2024-01-15   
350-530 1 Escalon CA   649C ONVOY, LLC - CA 738   2024-04-20   
350-530 8 Escalon CA   649C ONVOY, LLC - CA 738   2024-07-27   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

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