Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: DNVRCOMAXGZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-295 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-05-01   
720-316 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-24   
720-336 A Keenesburg CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-09-16   
720-432 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-29   
720-441 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-07-16   
720-442 A Longmont CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-443 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-12-05   
720-464 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-19   
720-515 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
720-608 A Georgetown CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-09-17   
720-663 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-07-19   
720-689 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-06-03   
720-729 A Keenesburg CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-04-30   
970-480 A Estes Park CO 078F BANDWIDTH.COM CLEC, LLC - CO 656      
970-616 A Greeley CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2011-11-14   
970-633 A Ouray CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-04-12   
970-717 A Hayden CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-03-19   

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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