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: 349

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-349 A Socorro NM   520K TDS METROCOM, LLC 664   2026-01-11   
575-349 3 Socorro NM   520K TDS METROCOM, LLC 664   2026-01-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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