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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-317 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-317 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-07-17   
720-317 1 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      
720-317 2 Denver CO DNVRCOETPS0  3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2008-02-04   
720-317 3 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-317 4 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-317 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-317 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-07-17   
720-317 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-317 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-07-17   
720-317 9 Denver CO DNVRCOII3MD  5562 METROPCS, INC. 656      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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