Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DNVRCO26XLX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-996 A Denver CO 939H COMMIO, LLC 656      
970-338 A Eaton CO 939H COMMIO, LLC 656      
970-603 A Basalt CO 939H COMMIO, LLC 656      
970-604 A Brush CO 939H COMMIO, LLC 656      
970-605 A Weldona CO 939H COMMIO, LLC 656      
970-606 A Sterling CO 939H COMMIO, LLC 656      
970-607 A Ouray CO 939H COMMIO, LLC 656      
970-806 A Johnstown-Milliken CO 939H COMMIO, LLC 656      
970-843 A Allison CO 939H COMMIO, LLC 656      
970-850 A Hayden CO 939H COMMIO, LLC 656   2024-05-09   
970-860 A Palisade CO 939H COMMIO, LLC 656      
970-861 A Greeley CO 939H COMMIO, LLC 656   2024-05-11   
970-863 A Durango CO 939H COMMIO, LLC 656   2024-05-11   
970-869 A Fort Morgan CO 939H COMMIO, LLC 656   2024-05-11   
970-891 A New Castle CO 939H COMMIO, LLC 656   2024-05-11   

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

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