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.

Bayard, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
308-545 A   792K CHARTER IP ENABLED SERVICES, LLC 646      
308-545 1   792K CHARTER IP ENABLED SERVICES, LLC 646   2010-05-03   
308-545 2   549E ONVOY, LLC - NE 646   2021-04-12   
308-545 3   3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2023-01-23   
308-545 5   549E ONVOY, LLC - NE 646   2021-03-01   
308-545 7   508J CENTURYLINK COMMUNICATIONS, LLC 646   2014-12-15   
308-586 A BYRDNEXURP0  4530 UNITED TEL CO OF THE WEST DBA CENTURYLINK - NE 646      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.