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.

Johnstown-Milliken, CO

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-634 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2019-09-09   
970-634 7 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-10-14   
970-634 8 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-03-17   
970-634 9 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2019-07-26   
970-660 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-660 0 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-660 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-04-22   
970-660 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2005-04-22   
970-660 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-660 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2004-12-20   
970-660 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2006-03-08   
970-660 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2013-12-08   
970-660 7 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2017-06-14   
970-660 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-02-20   
970-660 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-11-05   
970-806 A DNVRCO26XLX  939H COMMIO, LLC 656      
970-806 0 DNVRCO26XLX  939H COMMIO, LLC 656   2021-12-02   
970-806 1 DNVRCO26XLX  939H COMMIO, LLC 656   2021-12-02   
970-806 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-12-13   
970-806 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2021-12-13   
970-806 4 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2022-11-13   
970-806 5 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2022-11-25   
970-806 6 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2022-11-25   
970-806 7 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2022-11-18   
970-806 8   515J IP HORIZON LLC 656   2022-04-29   
970-806 9 DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2021-12-28   

<< 1 2

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.