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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-505 A Tierra Amarilla NM ESPNNMXC4MD  624H ONVOY SPECTRUM, LLC 664   2024-04-07   
575-505 0 Tierra Amarilla NM   145J TERRA NOVA TELECOM INC. 664   2025-07-06   
575-505 5 Tierra Amarilla NM ESPNNMXC4MD  624H ONVOY SPECTRUM, LLC 664   2024-04-07   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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