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.

St Libory, NE

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
308-687 A STLBNENWRS1  9631 QWEST CORPORATION 646      
308-687 0   624H ONVOY SPECTRUM, LLC 646   2024-03-21   
308-687 1   3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2023-01-23   
308-687 2   792K CHARTER IP ENABLED SERVICES, LLC 646   2008-09-15   
308-687 3   549E ONVOY, LLC - NE 646   2020-01-20   
308-687 4   549E ONVOY, LLC - NE 646   2021-03-11   
308-687 5   549E ONVOY, LLC - NE 646   2021-03-11   
308-687 6   9631 QWEST CORPORATION 646      
308-687 7   508J CENTURYLINK COMMUNICATIONS, LLC 646   2015-01-02   
308-687 8   549E ONVOY, LLC - NE 646   2020-10-06   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.