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: 662

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-662 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-662 0 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-01-19   
720-662 1 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-01-19   
720-662 2 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-01-19   
720-662 3 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-01-19   
720-662 4 Denver CO   6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-02-15   
720-662 5 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-03-09   
720-662 6 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2015-03-09   
720-662 7 Denver CO   026D ONVOY, LLC - CO 656   2014-12-01   
720-662 8 Denver CO   6529 T-MOBILE USA, INC. 656   2014-11-27   
720-662 9 Denver CO   6529 T-MOBILE USA, INC. 656   2014-11-27   

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

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