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: 549

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-549 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-549 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-04-29   
720-549 1 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656   2013-11-11   
720-549 2 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
720-549 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
720-549 4 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
720-549 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
720-549 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
720-549 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2011-09-05   
720-549 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2011-09-05   
720-549 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-12-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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