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: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-225 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-225 1 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 2 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 3 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 4 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 5 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 6 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2003-01-11   
720-225 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-08-29   
720-225 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2005-12-09   
720-225 9 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      

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

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