Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 357

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-357 A Madras OR   6529 T-MOBILE USA, INC. 672   2026-01-03   
458-357 9 Madras OR   6529 T-MOBILE USA, INC. 672   2026-01-03   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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