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: 475 [Rate centres in NPA 475] [Dial plan for NPA 475]

NXX: 367

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
475-367 A Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2024-05-19   
475-367 0 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2024-05-19   
475-367 1 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2024-06-22   
475-367 8 Byram CT NYCMNYBXDSL  639C ONVOY, LLC - CT 132   2024-07-29   
475-367 9 Byram CT   639C ONVOY, LLC - CT 132   2025-02-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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