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: 369 [Rate centres in NPA 369] [Dial plan for NPA 369]

NXX: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
369-228 A Point Arena CA   624H ONVOY SPECTRUM, LLC 722   2025-02-27   
369-228 0 Point Arena CA   6529 T-MOBILE USA, INC. 722   2025-06-01   
369-228 1 Point Arena CA   624H ONVOY SPECTRUM, LLC 722   2025-02-27   

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

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