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: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-704 A Enterprise MS JCSNMSCPX4Z  829J PAETEC ITEL, LLC 482      

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

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