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: 744

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-744 A Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-744 1 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656   2006-02-20   
720-744 2 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-744 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-14   
720-744 4 Denver CO AURSCOFWDS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2013-07-22   
720-744 5 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 6 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 7 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 8 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      
720-744 9 Denver CO DNVRCOSLDS0  9636 QWEST CORPORATION 656      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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