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: 442 [Rate centres in NPA 442] [Dial plan for NPA 442]

NXX: 460

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
442-460 A Calexico CA   649C ONVOY, LLC - CA 732   2024-06-20   
442-460 0 Calexico CA   649C ONVOY, LLC - CA 732   2024-06-20   
442-460 9 Calexico CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2024-08-22   

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

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