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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-305 A Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-305 0 Denver CO AURSCOFWRS0  4574 LEVEL 3 TELECOM OF COLORADO, LLC - CO 656      
720-305 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-21   
720-305 2 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-21   
720-305 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2012-03-21   
720-305 4 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2012-03-05   
720-305 5 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2012-03-05   
720-305 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-11-13   
720-305 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-11-13   
720-305 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2012-11-13   
720-305 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-05-14   

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

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