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: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-343 A Silverton OR PTLDOR69UMD  076F BANDWIDTH.COM CLEC, LLC - OR 672      
971-343 0 Silverton OR   647F ELTOPIA COMMUNICATIONS LLC - OR 672   2010-11-19   
971-343 1 Silverton OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2015-05-30   
971-343 2 Silverton OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2015-12-21   
971-343 3 Silverton OR   936F ASTOUND BROADBAND, LLC - OR 672   2014-09-06   
971-343 4 Silverton OR   750E ONVOY, LLC - OR 672   2013-09-15   
971-343 5 Silverton OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2010-07-24   
971-343 6 Silverton OR   5511 DATAVISION COMMUNICATIONS LLC 672   2012-06-12   
971-343 7 Silverton OR   508J CENTURYLINK COMMUNICATIONS, LLC 672   2014-02-18   
971-343 8 Silverton OR   750E ONVOY, LLC - OR 672   2017-05-27   
971-343 9 Silverton OR   8629 SCS COMMUNICATIONS AND SECURITY, INC. - OR 672   2013-08-23   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.