Local Calling Guide

Area code/prefix search

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NPA: 575 [Rate centres in NPA 575] [Dial plan for NPA 575]

NXX: 817

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-817 A Carlsbad NM CRLBNMDARS0  3798 LEACO RURAL TELEPHONE COOPERATIVE, INC. DBA LEACO 664      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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