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]

Block: A

<< 1 2 3 4 5

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-940 A Portland OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672      
971-946 A St Paul OR PTLDOR13X8X  965H FRACTEL, LLC 672      
971-966 A Grand Island OR PTLDOR13XIX  516J TON80 COMMUNICATIONS, LLC 672      
971-970 A Pacific City OR BVTNORXBXMX  624H ONVOY SPECTRUM, LLC 672      
971-971 A Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672   2024-11-21   
971-977 A Tillamook OR PTLDOR13X8X  965H FRACTEL, LLC 672      
971-978 A Portland OR PTLDORWADS2  750E ONVOY, LLC - OR 672      
971-979 A Sherwood OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
971-983 A Woodburn OR GRVSORXXDS1  5511 DATAVISION COMMUNICATIONS LLC 672      
971-985 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-988 A Astoria OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      
971-990 A Portland OR PTLDOR13X6X  158H INVOXIO INCORPORATED 672      
971-997 A Portland OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
971-998 A Portland OR BENDOR248MD  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-999 A Yamhill OR PTLDORWADS2  750E ONVOY, LLC - OR 672      

<< 1 2 3 4 5

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.