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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-866 A Denver CO DNVRCO26XSX  145J TERRA NOVA TELECOM INC. 656      
720-866 0 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 1 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 2 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 3 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 4 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 5 Denver CO FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2019-04-22   
720-866 6 Denver CO   145J TERRA NOVA TELECOM INC. 656   2019-04-21   
720-866 7 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2019-04-25   
720-866 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2019-05-02   
720-866 9 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2019-05-02   

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

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