Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-289 A Dallas OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
971-289 0 Dallas OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2018-04-18   
971-289 1 Dallas OR   073H TELNYX LLC 672   2020-04-02   
971-289 2 Dallas OR   5562 METROPCS, INC. 672   2019-03-19   
971-289 3 Dallas OR   073H TELNYX LLC 672   2021-07-16   
971-289 4 Dallas OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2021-07-24   
971-289 5 Dallas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2021-11-12   
971-289 6 Dallas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2020-04-12   
971-289 7 Dallas OR   5562 METROPCS, INC. 672   2020-02-18   
971-289 8 Dallas OR   073H TELNYX LLC 672   2018-10-12   
971-289 9 Dallas OR   158H INVOXIO INCORPORATED 672   2018-09-29   

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

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