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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-799 A Westport OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      
971-799 1 Westport OR HMTNOR210MD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 672      
971-799 2 Westport OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672      
971-799 3 Westport OR PTLDOR13X4X  624H ONVOY SPECTRUM, LLC 672      
971-799 6 Westport OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-799 7 Westport OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-799 8 Westport OR PTLDOR13UMD  073H TELNYX LLC 672      
971-799 9 Westport OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.