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: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-561 A Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656      
720-561 0 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   
720-561 1 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   
720-561 2 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 3 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 4 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 5 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 6 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 7 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 8 Denver CO BLDRCOMADS0  9636 QWEST CORPORATION 656   2008-05-18   
720-561 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2008-07-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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