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: 270 [Rate centres in NPA 270] [Dial plan for NPA 270]

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-481 A Guthrie KY   490J DISH WIRELESS, LLC 464      
270-481 1 Guthrie KY   490J DISH WIRELESS, LLC 464   2022-09-03   
270-481 9 Guthrie KY   781F MCC TELEPHONY OF THE SOUTH, LLC - KY 464   2010-08-12   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.