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: 876

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-876 A Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      
720-876 0 Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      
720-876 1 Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      
720-876 2 Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      
720-876 3 Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-876 4 Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-876 5 Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-876 6 Denver CO DNVRCOCPDS0  9636 QWEST CORPORATION 656      
720-876 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-03-31   
720-876 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-03-31   
720-876 9 Denver CO DNVRCOSHDS0  9636 QWEST CORPORATION 656      

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

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