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: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-639 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-639 0 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2014-07-16   
720-639 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   
720-639 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-13   
720-639 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-13   
720-639 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2014-07-15   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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