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: 239

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-239 A Silver City NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-239 1 Silver City NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664      
575-239 6 Silver City NM   883K AHOI LLC 664   2026-04-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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