Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-279 A Basalt CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-279 0 Basalt CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-05-19   
970-279 1 Basalt CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
970-279 2 Basalt CO   588A ZIPPYTECH INCORPORATED 656   2009-12-07   
970-279 3 Basalt CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-04   
970-279 4 Basalt CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-12-20   
970-279 5 Basalt CO   318J COMCAST IP PHONE, LLC 656   2009-11-30   
970-279 7 Basalt CO   026D ONVOY, LLC - CO 656   2011-02-15   
970-279 8 Basalt CO   026D ONVOY, LLC - CO 656   2007-03-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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