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: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-746 A Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 0 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 1 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 2 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-01-07   
720-746 3 Denver CO LKMTCOMADS1  9636 QWEST CORPORATION 656      
720-746 4 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-01-07   
720-746 5 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-01-07   
720-746 6 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-01-07   
720-746 7 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-01-07   
720-746 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-06-18   
720-746 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-06-18   

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

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