Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-578 A Keenesburg CO DNVTCO56RS3  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-11-03   
303-578 0 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-19   
303-578 1 Keenesburg CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2008-05-30   
303-578 2 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-16   
303-578 3 Keenesburg CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-05-21   
303-578 4 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-08-12   
303-578 5 Keenesburg CO   026D ONVOY, LLC CO 656   2007-03-30   
303-578 6 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-08-12   
303-578 7 Keenesburg CO   026D ONVOY, LLC CO 656   2007-04-09   
303-578 8 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-08-12   
303-578 9 Keenesburg CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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