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: 280

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-280 A Questa NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664      
575-280 0 Questa NM ALBQNMMAX2Y  123F BANDWIDTH.COM CLEC, LLC - NM 664   2022-01-15   
575-280 1 Questa NM   515J IP HORIZON LLC 664   2022-05-26   
575-280 2 Questa NM ALBQNMMAX4Y  206F ONVOY, LLC - NM 664   2022-05-08   
575-280 3 Questa NM ALBQNMMAXPY  624H ONVOY SPECTRUM, LLC 664   2025-01-22   

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

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