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: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-455 A Denver CO CSRKCONMDS0  9636 QWEST CORPORATION 656      
720-455 0 Denver CO   9636 QWEST CORPORATION 656      
720-455 1 Denver CO   9636 QWEST CORPORATION 656      
720-455 2 Denver CO   9636 QWEST CORPORATION 656      
720-455 3 Denver CO   9636 QWEST CORPORATION 656      
720-455 4 Denver CO   9636 QWEST CORPORATION 656      
720-455 5 Denver CO   9636 QWEST CORPORATION 656      
720-455 6 Denver CO   9636 QWEST CORPORATION 656      
720-455 7 Denver CO   9636 QWEST CORPORATION 656      
720-455 8 Denver CO   9636 QWEST CORPORATION 656      
720-455 9 Denver CO   9636 QWEST CORPORATION 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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