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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-506 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 0 Denver CO DNVRCOII4MD  5562 METROPCS, INC. 656      
720-506 1 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-506 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 3 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-506 6 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-506 7 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-506 8 Denver CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
720-506 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      

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

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