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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-408 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-408 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-01-12   
720-408 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2013-08-26   
720-408 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-01-18   
720-408 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-04-14   
720-408 4 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 5 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-04-14   
720-408 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-11-07   
720-408 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-11-07   
720-408 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-01-23   
720-408 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-07   

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

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