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: 910

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
270-910 A Auburn KY   896E ONVOY, LLC - KY 464   2026-03-26   
270-910 0 Auburn KY   896E ONVOY, LLC - KY 464   2026-03-26   
270-910 1 Auburn KY   896E ONVOY, LLC - KY 464   2026-03-26   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.