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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-523 A Tillamook OR   6529 T-MOBILE USA, INC. 672   2025-11-16   
971-523 7 Tillamook OR   6529 T-MOBILE USA, INC. 672   2025-11-16   
971-523 8 Tillamook OR   6529 T-MOBILE USA, INC. 672   2025-11-16   
971-523 9 Tillamook OR   6529 T-MOBILE USA, INC. 672   2025-11-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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