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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-314 A Vernonia OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672      
971-314 0 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2015-12-08   
971-314 1 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2021-03-05   
971-314 2 Vernonia OR BVTNORXBXMX  624H ONVOY SPECTRUM, LLC 672   2025-01-23   
971-314 3 Vernonia OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2014-01-17   
971-314 4 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2018-01-27   
971-314 5 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
971-314 6 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2019-11-08   
971-314 7 Vernonia OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2014-02-19   
971-314 8 Vernonia OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2021-03-05   
971-314 9 Vernonia OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672   2021-07-22   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.