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.

Keenesburg, CO

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
303-578 A DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-578 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-578 1 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-578 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-578 3 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-578 4 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-578 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-578 6 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-578 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-578 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-578 9 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
303-616 A DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 0 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 1 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 2 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 3 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 4 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 5 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 6 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 7 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 8 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-616 9 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
303-732 A KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 0 KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 1 KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 2 KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 3 ENWDCO47DS4  320E YMAX COMMUNICATIONS CORP. - CO 656      
303-732 4 KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-732 6 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
303-732 7 KNBGCOMARS1  9636 QWEST CORPORATION 656      
303-732 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-732 9 KNBGCOMARS1  9636 QWEST CORPORATION 656      
720-336 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 3 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 4 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-336 5 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-336 6 DNVTCO56AMD  8465 GLOBAL CROSSING LOCAL SERVICES, INC. - CO 656      
720-336 7 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-336 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-336 9 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 2 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-547 3 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 4 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 5 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-547 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-547 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-547 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-580 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-580 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-580 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-580 2 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-580 3 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-580 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-580 5 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-580 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-580 7 HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656      
720-580 8 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-580 9 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-615 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 1 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-615 2 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-615 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 7 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-615 8 DNVTCOZI6MD  073H TELNYX LLC 656      
720-615 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-702 1 DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656      
720-702 2 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 5 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
720-702 6 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
720-702 7 DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656      
720-702 8 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-702 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-729 A DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-729 0 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-729 1 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-729 2 DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-729 3 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-729 4 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-729 5 FTCLCOMAAMD  7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO 656      
720-729 6 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-729 7 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-729 8 DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656      
720-729 9 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-735 A DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
720-735 0 DNVTCOZIDS1  026D ONVOY, LLC - CO 656      

1 2 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.