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: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-496 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2009-09-04   
720-496 1 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2007-11-14   
720-496 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-11-13   
720-496 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-496 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   
720-496 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2007-05-19   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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