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: 688

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-688 A Vail CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-688 0 Vail CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2004-11-25   
970-688 1 Vail CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2005-03-10   
970-688 2 Vail CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2009-02-16   
970-688 4 Vail CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-688 5 Vail CO   318J COMCAST IP PHONE, LLC 656   2011-04-03   
970-688 6 Vail CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-12-04   
970-688 7 Vail CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-10-26   
970-688 8 Vail CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-22   
970-688 9 Vail CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2018-12-25   

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

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