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: 220 [Rate centres in NPA 220] [Dial plan for NPA 220]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-877 A Prospect OH CLMDOH44JMD  965H FRACTEL, LLC 324      
220-877 7 Prospect OH CLMDOH44JMD  965H FRACTEL, LLC 324   2021-08-14   
220-877 8 Prospect OH DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324   2023-05-08   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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