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: 509

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-509 A Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656      
720-509 0 Denver CO CSRKCOFEGT2  5736 COMMNET WIRELESS, LLC 656   2010-06-02   
720-509 1 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 2 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 3 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 4 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 5 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 6 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 7 Denver CO ENWDCO47DS3  8980 XO COLORADO, LLC 656   2010-05-31   
720-509 8 Denver CO DNVTCOUZAMD  4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO 656   2010-06-16   
720-509 9 Denver CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-07-10   

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

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