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.

Silt, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-287 A DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-287 0 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2014-11-16   
970-287 1 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2016-11-19   
970-287 2 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2019-09-09   
970-287 3 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2019-10-17   
970-287 4 DNVRCO26XIX  073H TELNYX LLC 656   2020-01-29   
970-287 5 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2020-03-13   
970-287 6 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2018-12-31   
970-287 7 HLRNCOFP1MD  7575 CENTURYLINK COMMUNICATIONS LLC 656   2014-11-18   
970-287 8 DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   
970-287 9 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2018-12-31   
970-876 A SILTCOMARS1  9636 QWEST CORPORATION 656      
970-876 0 SILTCOMARS1  9636 QWEST CORPORATION 656      
970-876 1 SILTCOMARS1  9636 QWEST CORPORATION 656      
970-876 2 SILTCOMARS1  9636 QWEST CORPORATION 656      
970-876 3 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2012-12-13   
970-876 4 DNVRCOMA39Z  318J COMCAST IP PHONE LLC 656   2009-04-29   
970-876 5 SILTCOMARS1  9636 QWEST CORPORATION 656      
970-876 6 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2014-11-20   
970-876 7 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2006-10-29   
970-876 8 DNVTCOZIDS1  026D ONVOY, LLC CO 656   2012-12-13   
970-876 9 SILTCOMARS1  9636 QWEST CORPORATION 656      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.