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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-279 A House NM HOUSNMXCRS0  2262 E.N.M.R. TEL COOP 664      

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

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