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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-335 A Clackamas OR PTLJORIY0MD  6529 T-MOBILE USA, INC. 672      
971-335 0 Clackamas OR   6529 T-MOBILE USA, INC. 672   2019-08-02   
971-335 1 Clackamas OR   6529 T-MOBILE USA, INC. 672   2019-08-02   
971-335 2 Clackamas OR   6529 T-MOBILE USA, INC. 672   2019-02-08   
971-335 3 Clackamas OR   318J COMCAST IP PHONE, LLC 672   2018-10-30   
971-335 4 Clackamas OR   6010 NEW CINGULAR WIRELESS PCS, LLC 672   2018-11-17   
971-335 5 Clackamas OR   158H INVOXIO INCORPORATED 672   2018-10-07   
971-335 6 Clackamas OR   5562 METROPCS, INC. 672   2018-10-07   
971-335 7 Clackamas OR   6529 T-MOBILE USA, INC. 672   2018-10-06   
971-335 8 Clackamas OR   6529 T-MOBILE USA, INC. 672   2018-10-06   
971-335 9 Clackamas OR   6529 T-MOBILE USA, INC. 672   2018-10-06   

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

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