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 CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-21   
220-356 1 Byesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
220-356 2 Byesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
220-356 3 Byesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
220-356 4 Byesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2022-05-14   
220-356 5 Byesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2022-05-14   
220-356 6 Byesville OH CLMBOH1128Z  225H CEBRIDGE TELECOM OH, LLC DBA SUDDENLINK COMM 324   2024-04-04   
220-356 7 Byesville OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-04-11   
220-356 8 Byesville OH CMBROHXB4MD  464C ONVOY, LLC - OH 324   2023-10-27   
220-356 9 Byesville OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-04-11   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.