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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
220-270 A Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
220-270 0 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-24   
220-270 1 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-24   
220-270 2 Croton OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2018-08-26   
220-270 3 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-04-20   
220-270 4 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-04-20   
220-270 5 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-04-20   
220-270 6 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-09-04   
220-270 7 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-05-16   
220-270 8 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-05-16   
220-270 9 Croton OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-09-04   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.