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: 258

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-258 A Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 0 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 1 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 2 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-258 4 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2008-08-24   
720-258 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-11   
720-258 6 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2008-11-20   
720-258 7 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-258 8 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2008-07-11   
720-258 9 Denver CO DNVRCOMDDS1  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      

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

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