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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-356 A Byesville OH CLMDOH44JMD  965H FRACTEL, LLC 324      
220-356 0 Byesville OH   073H TELNYX LLC 324   2021-01-21   
220-356 1 Byesville OH   464C ONVOY, LLC - OH 324   2023-07-30   
220-356 2 Byesville OH   464C ONVOY, LLC - OH 324   2021-03-11   
220-356 3 Byesville OH   464C ONVOY, LLC - OH 324   2021-03-11   
220-356 4 Byesville OH   464C ONVOY, LLC - OH 324   2022-05-14   
220-356 5 Byesville OH   464C ONVOY, LLC - OH 324   2022-05-14   
220-356 6 Byesville OH   225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 324   2024-04-04   
220-356 7 Byesville OH   965H FRACTEL, LLC 324   2020-04-11   
220-356 8 Byesville OH   464C ONVOY, LLC - OH 324   2023-10-27   
220-356 9 Byesville OH   965H FRACTEL, LLC 324   2020-04-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.