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: 586

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-586 A Questa NM QUSTNMMARS1  9636 QWEST CORPORATION 664      
575-586 0 Questa NM   9636 QWEST CORPORATION 664      
575-586 1 Questa NM   9636 QWEST CORPORATION 664      
575-586 2 Questa NM   9636 QWEST CORPORATION 664      
575-586 3 Questa NM   206F ONVOY, LLC - NM 664   2013-12-22   
575-586 4 Questa NM   5470 LEVEL 3 COMMUNICATIONS, LLC - NM 664   2006-11-01   
575-586 5 Questa NM   123F BANDWIDTH.COM CLEC, LLC - NM 664   2012-01-27   
575-586 6 Questa NM   206F ONVOY, LLC - NM 664   2011-10-30   
575-586 7 Questa NM   9636 QWEST CORPORATION 664      
575-586 8 Questa NM   206F ONVOY, LLC - NM 664   2007-05-04   
575-586 9 Questa NM   9636 QWEST CORPORATION 664      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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