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: 292

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-292 A Gresham OR PTLJORIY0MD  5562 METROPCS, INC. 672      
971-292 0 Gresham OR   5562 METROPCS, INC. 672   2018-06-02   
971-292 1 Gresham OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2018-09-18   
971-292 2 Gresham OR   318J COMCAST IP PHONE, LLC 672   2018-04-10   
971-292 3 Gresham OR   750E ONVOY, LLC - OR 672   2018-04-29   
971-292 4 Gresham OR   750E ONVOY, LLC - OR 672   2019-11-04   
971-292 5 Gresham OR   750E ONVOY, LLC - OR 672   2019-11-04   
971-292 6 Gresham OR   750E ONVOY, LLC - OR 672   2019-11-04   
971-292 7 Gresham OR   750E ONVOY, LLC - OR 672   2019-11-04   
971-292 8 Gresham OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2021-07-16   
971-292 9 Gresham OR   5562 METROPCS, INC. 672   2017-10-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.