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.

Hot Sulphur Springs, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-517 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-517 0 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-01-03   
970-517 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2015-01-03   
970-517 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-11   
970-517 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-04-11   
970-517 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-517 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-517 6 DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-517 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2015-01-07   
970-517 8 DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-517 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2016-03-20   
970-725 A HSSPCOMARS1  9636 QWEST CORPORATION 656      
970-725 0 HSSPCOMARS1  9636 QWEST CORPORATION 656      
970-725 1 HSSPCOMARS1  9636 QWEST CORPORATION 656      
970-725 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-725 3 HSSPCOMARS1  9636 QWEST CORPORATION 656      
970-725 5 FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656   2012-12-13   
970-725 6 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2014-02-09   
970-725 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-04-09   
970-725 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-17   
970-725 9 DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2009-04-29   
970-868 A DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-868 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-868 6   145J TERRA NOVA TELECOM INC. 656   2024-02-02   
970-868 8 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2022-04-25   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.