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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 360

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-360 A Albion NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-04-19   
531-360 0 Albion NE OMAHNENWXPX  549E ONVOY, LLC - NE 644   2024-04-19   
531-360 1 Albion NE OMAHNENWX6Y  073H TELNYX LLC 644   2024-04-20   
531-360 3 Albion NE OMAHNENWXCY  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 644   2024-10-16   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.