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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-210 A New Concord OH CMBROHXB4MD  464C ONVOY, LLC - OH 324      
220-210 0 New Concord OH CMBROHXB4MD  464C ONVOY, LLC - OH 324   2021-05-29   
220-210 1 New Concord OH CMBROHXBIMD  624H ONVOY SPECTRUM, LLC 324   2024-10-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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