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: 949

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-949 A Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-949 0 Denver CO   318J COMCAST IP PHONE, LLC 656      
720-949 1 Denver CO   318J COMCAST IP PHONE, LLC 656   2002-08-06   
720-949 2 Denver CO   318J COMCAST IP PHONE, LLC 656   2002-08-06   
720-949 3 Denver CO   6529 T-MOBILE USA, INC. 656   2008-03-23   
720-949 4 Denver CO   6529 T-MOBILE USA, INC. 656   2008-03-23   
720-949 5 Denver CO   6529 T-MOBILE USA, INC. 656   2008-07-31   
720-949 6 Denver CO   026D ONVOY, LLC - CO 656   2008-04-11   
720-949 7 Denver CO   026D ONVOY, LLC - CO 656   2006-11-04   
720-949 8 Denver CO   6529 T-MOBILE USA, INC. 656   2008-07-31   
720-949 9 Denver CO   7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2002-08-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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