Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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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Last updated: Thu, 20 Nov 2014 03:01:16 UTC

How to use this page

NPA: 213 [Rate centres in NPA 213] [Dial plan for NPA 213]

NXX: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
213-201 A Los Angeles: DA 10 CA LSANCAGJDS4 7453 U.S. TELEPACIFIC CORP. - CA [link] 730 map



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