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: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-663 A Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-663 0 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-07-19   
720-663 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-663 2 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2008-09-01   
720-663 3 Denver CO DNVRCOMADS8  7421 AT&T - LOCAL 656   2008-07-20   
720-663 4 Denver CO DNVRCOMADS8  7421 AT&T - LOCAL 656   2008-07-20   
720-663 5 Denver CO DNVRCOMADS8  7421 AT&T - LOCAL 656   2008-07-20   
720-663 6 Denver CO DNVRCOMADS8  7421 AT&T - LOCAL 656   2008-07-20   
720-663 7 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-663 8 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-663 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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