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: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-231 A Camarillo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-10-27   
820-231 0 Camarillo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
820-231 8 Camarillo CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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