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: 754

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-754 A Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-754 0 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 1 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 2 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 3 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 4 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 5 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 6 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 7 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 8 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   
720-754 9 Denver CO   4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656   2010-05-21   

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

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