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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-523 A Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656      
720-523 0 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-523 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-523 2 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656      
720-523 3 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-523 4 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656      
720-523 5 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-523 6 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656      
720-523 7 Denver CO BITNCOMADS0  9636 QWEST CORPORATION 656      
720-523 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-523 9 Denver CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      

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

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