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: 485

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-485 A Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-485 0 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 1 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 2 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 3 Denver CO   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 4 Denver CO   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 5 Denver CO   318J COMCAST IP PHONE, LLC 656   2014-06-22   
720-485 6 Denver CO   3467 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 656   2014-06-24   
720-485 7 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 8 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   
720-485 9 Denver CO   6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-06-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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