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: 426

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-426 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-426 0 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 1 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 2 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 3 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 4 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 5 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 6 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 7 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 8 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 9 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   

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

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