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.

Julesburg, CO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
970-463 A OVIDCOMARS1  9636 QWEST CORPORATION 656      
970-463 0 OVIDCOMARS1  9636 QWEST CORPORATION 656      
970-463 1 OVIDCOMARS1  9636 QWEST CORPORATION 656      
970-463 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-463 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-463 4 DNVRCO26XIX  073H TELNYX LLC 656      
970-463 5 OVIDCOMARS1  9636 QWEST CORPORATION 656      
970-463 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-463 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-463 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-463 9 DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-474 A JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 0 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 1 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 2 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 3 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 4 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-474 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-474 6 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
970-474 7 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-474 8 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-474 9 JLBGCOMARS1  9636 QWEST CORPORATION 656      
970-647 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-647 0 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
970-647 1   515J IP HORIZON LLC 656      
970-647 2 DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656      
970-647 3 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
970-647 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-647 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-647 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-647 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-647 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.