Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 328

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-328 A Silver City NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2024-11-15   
575-328 0 Silver City NM   206F ONVOY, LLC - NM 664   2025-03-09   
575-328 1 Silver City NM ALBQNMMAXPY  624H ONVOY SPECTRUM, LLC 664   2025-01-22   
575-328 9 Silver City NM ALBRNMFE5MD  6529 T-MOBILE USA, INC. 664   2024-11-15   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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