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: 940

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-940 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2009-09-14   
720-940 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-04-13   
720-940 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-940 9 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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