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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-844 A Denver CO DNVRCO26XWX  616J LEAP TELECOM, LLC 656      
720-844 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-07-02   
720-844 1 Denver CO DNVRCO26XWX  616J LEAP TELECOM, LLC 656   2021-03-11   
720-844 2 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-14   
720-844 3 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-07-02   
720-844 4 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-29   
720-844 5 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-03-29   
720-844 6 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2021-05-09   
720-844 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-07-02   
720-844 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-07-02   
720-844 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-07-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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