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: 814 [Rate centres in NPA 814] [Dial plan for NPA 814]

NXX: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
814-670 A Oil City PA OLCYPAXONMD  318J COMCAST IP PHONE, LLC 924      
814-670 0 Oil City PA OLCYPAXONMD  318J COMCAST IP PHONE, LLC 924   2008-08-25   
814-670 1 Oil City PA OLCYPAXOZMD  793K TWC IP ENABLED SERVICES, LLC 924   2016-10-23   
814-670 6 Oil City PA ERIEPAXMXBX  7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 924   2014-06-30   
814-670 7 Oil City PA ERIEPAXMX4X  002F BANDWIDTH.COM CLEC, LLC - PA 924   2018-05-14   
814-670 9 Oil City PA OLCYPAXOFMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 924   2010-04-07   

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

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