Local Calling Guide

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

NXX: 613

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-613 A Hudson CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-613 0 Hudson CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-613 1 Hudson CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-27   
720-613 2 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-18   
720-613 3 Hudson CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2013-04-15   
720-613 4 Hudson CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-05-25   
720-613 5 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-09-26   
720-613 6 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-09-26   
720-613 7 Hudson CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-23   
720-613 8 Hudson CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-10-20   
720-613 9 Hudson CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-10-24   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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