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.

Switch: SXFLSDCOTMD

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-731 8 Sioux Falls SD 162G ONVOY, LLC - SD 640   2011-03-14   
605-734 2 Chamberlain SD 162G ONVOY, LLC - SD 640   2011-09-15   
605-734 8 Chamberlain SD 162G ONVOY, LLC - SD 640   2009-05-28   
605-741 4 Vermillion SD 162G ONVOY, LLC - SD 640   2020-08-20   
605-741 7 Vermillion SD 162G ONVOY, LLC - SD 640   2020-08-20   
605-743 8 Harrisburg-Tea SD 162G ONVOY, LLC - SD 640   2009-05-28   
605-760 8 Yankton SD 162G ONVOY, LLC - SD 640   2012-12-16   
605-776 2 Pierre SD 162G ONVOY, LLC - SD 640   2019-09-13   
605-776 3 Pierre SD 162G ONVOY, LLC - SD 640   2019-11-07   
605-776 4 Pierre SD 162G ONVOY, LLC - SD 640   2019-11-07   
605-776 7 Pierre SD 162G ONVOY, LLC - SD 640   2012-01-13   
605-776 9 Pierre SD 162G ONVOY, LLC - SD 640   2020-08-20   
605-789 7 Sioux Falls SD 162G ONVOY, LLC - SD 640   2013-09-15   
605-789 8 Sioux Falls SD 162G ONVOY, LLC - SD 640   2011-10-28   
605-790 1 Sioux Falls SD 162G ONVOY, LLC - SD 640   2026-06-27   
605-799 0 Sioux Falls SD 162G ONVOY, LLC - SD 640   2015-12-08   
605-799 2 Sioux Falls SD 162G ONVOY, LLC - SD 640   2015-12-08   
605-800 4 Sioux Falls SD 162G ONVOY, LLC - SD 640   2021-02-18   
605-800 5 Sioux Falls SD 162G ONVOY, LLC - SD 640   2021-02-18   
605-800 6 Sioux Falls SD 162G ONVOY, LLC - SD 640   2021-02-18   
605-800 7 Sioux Falls SD 162G ONVOY, LLC - SD 640   2021-02-18   
605-800 8 Sioux Falls SD 162G ONVOY, LLC - SD 640   2021-02-18   
605-801 1 Belle Fourche SD 162G ONVOY, LLC - SD 640   2021-10-02   
605-801 2 Belle Fourche SD 162G ONVOY, LLC - SD 640   2021-10-02   
605-805 2 Pierre SD 162G ONVOY, LLC - SD 640   2022-10-14   
605-808 A Redfield SD 162G ONVOY, LLC - SD 640      
605-808 0 Redfield SD 162G ONVOY, LLC - SD 640   2021-09-20   
605-808 3 Redfield SD 162G ONVOY, LLC - SD 640   2026-06-27   
605-808 7 Redfield SD 162G ONVOY, LLC - SD 640   2021-09-16   
605-808 8 Redfield SD 162G ONVOY, LLC - SD 640   2021-09-16   
605-812 3 Sioux Falls SD 162G ONVOY, LLC - SD 640   2022-11-12   
605-812 4 Sioux Falls SD 162G ONVOY, LLC - SD 640   2022-11-12   
605-812 5 Sioux Falls SD 162G ONVOY, LLC - SD 640   2022-11-12   
605-815 2 Chamberlain SD 162G ONVOY, LLC - SD 640   2021-07-08   
605-815 3 Chamberlain SD 162G ONVOY, LLC - SD 640   2020-12-07   
605-815 4 Chamberlain SD 162G ONVOY, LLC - SD 640   2020-12-07   
605-815 5 Chamberlain SD 162G ONVOY, LLC - SD 640   2020-08-21   
605-815 6 Chamberlain SD 162G ONVOY, LLC - SD 640   2020-08-21   
605-824 1 Aberdeen SD 162G ONVOY, LLC - SD 640   2019-07-08   
605-824 7 Aberdeen SD 162G ONVOY, LLC - SD 640   2019-07-08   
605-827 1 Volga SD 162G ONVOY, LLC - SD 640   2021-07-08   
605-827 6 Volga SD 162G ONVOY, LLC - SD 640   2024-03-28   
605-827 7 Volga SD 162G ONVOY, LLC - SD 640   2020-08-20   
605-827 8 Volga SD 162G ONVOY, LLC - SD 640   2020-08-20   
605-836 6 Canton SD 162G ONVOY, LLC - SD 640   2019-11-07   
605-836 7 Canton SD 162G ONVOY, LLC - SD 640   2009-05-28   
605-836 8 Canton SD 162G ONVOY, LLC - SD 640   2019-09-13   
605-836 9 Canton SD 162G ONVOY, LLC - SD 640   2013-09-15   
605-838 A Sioux Falls SD 162G ONVOY, LLC - SD 640   2025-03-23   
605-838 0 Sioux Falls SD 162G ONVOY, LLC - SD 640   2008-08-01   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.