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: 263

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-263 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
720-263 2 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2012-02-13   
720-263 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2010-08-31   
720-263 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-263 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-09-28   
720-263 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-11   
720-263 8 Denver CO ENWDCO47DS4  320E YMAX COMMUNICATIONS CORP. - CO 656   2010-10-25   
720-263 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-06-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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