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: DNVRCOETPS0

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-763 3 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2010-02-19   
720-772 A Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-772 3 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2015-02-21   
720-772 4 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-12-06   
720-772 5 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2015-01-08   
720-795 0 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2017-08-13   
720-795 1 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2017-08-13   
720-838 2 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2009-10-08   
720-974 A Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 0 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 1 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 2 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 3 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 4 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 5 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 6 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 7 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-974 9 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-975 A Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-975 0 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-975 1 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-975 2 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
720-975 9 Denver CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-02-12   
970-235 A Estes Park CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-235 3 Estes Park CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2009-12-05   
970-342 A Loveland CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-342 2 Loveland CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-07-06   
970-415 4 Greeley CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-05-15   
970-449 A Fort Collins CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-449 4 Fort Collins CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-03-31   
970-449 5 Fort Collins CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-03-31   
970-449 6 Fort Collins CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-03-31   
970-460 5 Windsor CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-06-03   
970-534 6 Greeley CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-04-04   
970-576 3 Greeley CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-06-03   
970-578 2 Johnstown-Milliken CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-07-27   
970-584 5 Greeley CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2010-05-18   
970-616 7 Greeley CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2012-09-11   
970-624 6 Loveland CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-05-21   
970-670 A Berthoud CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-670 5 Berthoud CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2007-05-21   
970-776 2 Loveland CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656      
970-776 7 Loveland CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2006-11-26   
970-805 6 Mead CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2011-12-12   
970-999 3 Fort Collins CO 3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2013-07-12   

<< 1 2

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.