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.

Columbus, NE

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
531-400 8 OMAHNENWX2Y  624H ONVOY SPECTRUM, LLC 644   2021-07-18   
531-400 9 OMAHNENWX6Y  073H TELNYX LLC 644   2022-03-01   

<< 1 2

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.