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: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 641

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-641 A Benson AZ   516J TON80 COMMUNICATIONS LLC 668   2022-04-21   
520-641 0 Benson AZ   073H TELNYX LLC 668   2022-04-22   
520-641 1 Benson AZ   579F PEERLESS NETWORK OF ARIZONA, LLC - AZ 668   2022-04-22   
520-641 6 Benson AZ   516J TON80 COMMUNICATIONS LLC 668   2022-04-21   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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