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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-280 A Coshocton OH   464C ONVOY, LLC - OH 324   2025-05-30   
220-280 0 Coshocton OH   464C ONVOY, LLC - OH 324   2025-05-30   
220-280 1 Coshocton OH   464C ONVOY, LLC - OH 324   2026-02-06   
220-280 8 Coshocton OH   464C ONVOY, LLC - OH 324   2026-04-04   
220-280 9 Coshocton OH   464C ONVOY, LLC - OH 324   2026-05-31   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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