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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-436 A Lake City CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-436 0 Lake City CO   026D ONVOY, LLC - CO 656   2012-12-13   
970-436 1 Lake City CO   026D ONVOY, LLC - CO 656   2012-12-13   
970-436 2 Lake City CO   026D ONVOY, LLC - CO 656   2012-12-13   
970-436 3 Lake City CO   026D ONVOY, LLC - CO 656   2020-10-30   
970-436 4 Lake City CO   026D ONVOY, LLC - CO 656   2020-08-08   
970-436 5 Lake City CO   026D ONVOY, LLC - CO 656   2018-12-30   
970-436 6 Lake City CO   508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-436 7 Lake City CO   026D ONVOY, LLC - CO 656   2007-09-01   
970-436 8 Lake City CO   026D ONVOY, LLC - CO 656   2011-02-11   
970-436 9 Lake City CO   026D ONVOY, LLC - CO 656   2018-12-30   

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

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