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: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
575-376 A Cimarron NM CMRNNMMARS1  9636 QWEST CORPORATION 664      
575-376 0 Cimarron NM   508J CENTURYLINK COMMUNICATIONS, LLC 664   2015-06-24   
575-376 1 Cimarron NM   9636 QWEST CORPORATION 664      
575-376 2 Cimarron NM   9636 QWEST CORPORATION 664      
575-376 3 Cimarron NM   206F ONVOY, LLC - NM 664   2013-12-22   
575-376 4 Cimarron NM   713G SIERRA COMMUNICATIONS, INC. - NM 664   2015-03-19   
575-376 5 Cimarron NM   123F BANDWIDTH.COM CLEC, LLC - NM 664   2012-02-03   
575-376 6 Cimarron NM   206F ONVOY, LLC - NM 664   2013-12-22   
575-376 7 Cimarron NM   206F ONVOY, LLC - NM 664   2007-05-04   
575-376 8 Cimarron NM   206F ONVOY, LLC - NM 664   2011-10-30   
575-376 9 Cimarron NM   377H PEERLESS NETWORK OF NEW MEXICO, LLC - NM 664   2016-02-22   

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

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