Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Allens Park-Lyons, CO

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
720-414 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2012-09-20   
720-414 6 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2013-09-04   
720-414 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-05-22   
720-414 8 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-414 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2013-04-26   
720-571 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-571 0 DNVRCO26XIX  073H TELNYX LLC 656   2017-03-23   
720-571 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2017-06-22   
720-571 2 DNVRCO26XIX  073H TELNYX LLC 656   2019-05-24   
720-571 3 DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2016-05-09   
720-571 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-02-23   
720-571 5 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2018-12-14   
720-571 6 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2018-03-19   
720-571 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-28   
720-571 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-28   
720-571 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2018-11-04   
720-664 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-664 0 DNVRCO26XIX  073H TELNYX LLC 656   2019-12-12   
720-664 1 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2020-04-16   
720-664 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-10-14   
720-664 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-10-14   
720-664 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-12-12   
720-664 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-08-08   
720-664 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-12-12   
720-664 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-04-24   
720-664 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-04-24   
720-664 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-09-07   
720-790 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-790 0 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-10-25   
720-790 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-11-14   
720-790 2 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2020-10-06   
720-790 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-05   
720-790 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-05   
720-790 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-05   
720-790 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-05   
720-790 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-10-05   
720-790 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-11-14   
720-790 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2020-11-14   
720-794 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-794 0 DNVTCOZI6MD  073H TELNYX LLC 656   2021-03-20   
720-794 1 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-11-07   
720-794 2 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-11-07   
720-794 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-20   
720-794 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-03-20   
720-794 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-06-11   
720-794 6   145J TERRA NOVA TELECOM INC. 656   2024-02-14   
720-794 7 DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2021-03-20   
720-794 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-11-17   
720-794 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2021-03-19   
720-816 A DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      

<< 1 2 3 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.