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: 524

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-524 A Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-524 0 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-524 1 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-524 2 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-524 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-09-21   
720-524 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-09-21   
720-524 5 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      
720-524 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-09-21   
720-524 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-09-21   
720-524 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-09-21   
720-524 9 Denver CO DNVRCOSEDS0  9636 QWEST CORPORATION 656      

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

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