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: 300

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-300 A Wilkesville OH CLMDOH44JMD  965H FRACTEL, LLC 324      
220-300 0 Wilkesville OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-08-28   
220-300 1 Wilkesville OH CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-22   
220-300 2 Wilkesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
220-300 3 Wilkesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-13   
220-300 6 Wilkesville OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2021-11-10   
220-300 8 Wilkesville OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
220-300 9 Wilkesville OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2024-08-02   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.