Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-709 A Denver CO DNVTCOUZ0MD  829J PAETEC ITEL, LLC 656      
720-709 0 Denver CO   5562 METROPCS, INC. 656   2015-07-13   
720-709 1 Denver CO   026D ONVOY, LLC - CO 656   2014-10-24   
720-709 2 Denver CO   026D ONVOY, LLC - CO 656   2014-10-24   
720-709 3 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2015-07-13   
720-709 4 Denver CO   829J PAETEC ITEL, LLC 656   2014-10-23   
720-709 5 Denver CO   829J PAETEC ITEL, LLC 656   2014-10-23   
720-709 6 Denver CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2015-07-13   
720-709 7 Denver CO   508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-07-13   
720-709 8 Denver CO   5562 METROPCS, INC. 656   2015-07-13   
720-709 9 Denver CO   5562 METROPCS, INC. 656   2015-07-13   

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

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