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.

Spearfish, SD

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-269 A WHWDSDCORS1  9631 QWEST CORPORATION 640      
605-269 0 SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2006-11-01   
605-269 1 RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-11-15   
605-269 2 WHWDSDCORS1  9631 QWEST CORPORATION 640      
605-269 3 SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-07   
605-269 4 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-09-16   
605-269 5 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-16   
605-269 6 SXFLSDCOXMD  693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 640   2012-09-05   
605-269 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-05-28   
605-269 8 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2015-05-28   
605-269 9 SXFLSDPS1MD  939H COMMIO, LLC 640   2022-07-30   
605-340 A NWUNSDAA1MD  7421 AT&T - LOCAL 640      
605-340 0 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2010-10-09   
605-340 1 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2017-11-04   
605-340 2 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2023-08-20   
605-340 3 NWUNSDAA1MD  7421 AT&T - LOCAL 640      
605-340 4 RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-06-06   
605-340 5 RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2019-12-04   
605-340 6 SXFLSDPS0MD  073H TELNYX LLC 640   2017-03-31   
605-340 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-15   
605-340 9 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-15   
605-443 A RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-443 0 RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-443 1 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-443 2 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-443 3 SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2015-03-20   
605-443 4 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-10-23   
605-443 5 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-10-23   
605-443 6 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2021-11-27   
605-443 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-16   
605-443 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-16   
605-443 9 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2021-11-27   
605-549 A SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-549 0 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-03-10   
605-549 1 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2020-11-19   
605-549 2 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-03-10   
605-549 5 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2010-04-12   
605-549 8 SXFLSDCOX1X  073H TELNYX LLC 640   2023-03-19   
605-559 A RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-566 A SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-566 0 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2019-05-24   
605-566 2 SXFLSDCOXWX  506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-566 3 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-03-13   
605-566 4 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-03-13   
605-566 5 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-07-13   
605-566 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-07-13   
605-566 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-07-02   
605-571 A RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-571 0 RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-571 1 RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      

1 2 3 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.