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: 380 [Rate centres in NPA 380] [Dial plan for NPA 380]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
380-221 A West Jefferson OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
380-221 0 West Jefferson OH CLMBOHLT7MD  073H TELNYX LLC 324   2021-03-06   
380-221 1 West Jefferson OH CLMBOHLT7MD  073H TELNYX LLC 324   2023-11-25   
380-221 2 West Jefferson OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
380-221 3 West Jefferson OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
380-221 5 West Jefferson OH CLMBOH1143Z  624H ONVOY SPECTRUM, LLC 324   2021-08-01   
380-221 6 West Jefferson OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-11-06   
380-221 7 West Jefferson OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-12-20   
380-221 8 West Jefferson OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-12-20   
380-221 9 West Jefferson OH CLMDOH44DS5  284F PEERLESS NETWORK OF OHIO, LLC - OH 324   2021-02-28   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.