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: SXFLSDCORMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-407 0 West Spearfish WY 9416 LEVEL 3 COMMUNICATIONS, LLC - WY 640   2023-01-27   
307-785 9 West Belle Fourche WY 9416 LEVEL 3 COMMUNICATIONS, LLC - WY 640   2023-01-27   
402-882 A South Yankton NE 3233 LEVEL 3 COMMUNICATIONS, LLC - NE 640      
402-882 4 South Yankton NE 3233 LEVEL 3 COMMUNICATIONS, LLC - NE 640      
605-206 2 Sturgis SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2006-07-10   
605-206 8 Sturgis SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2014-10-06   
605-219 8 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2016-11-03   
605-231 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2011-04-23   
605-231 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2015-08-07   
605-269 0 Spearfish SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2006-11-01   
605-277 A Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-277 1 Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-05-20   
605-277 3 Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2012-12-28   
605-277 4 Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2004-07-04   
605-277 9 Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-299 A Mitchell SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-299 0 Mitchell SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-299 4 Mitchell SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-301 4 Pierre SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2005-01-30   
605-307 2 Hill City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2020-11-13   
605-370 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-01-25   
605-370 6 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-01-31   
605-385 0 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-01-29   
605-401 6 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-01-22   
605-401 7 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2021-08-21   
605-403 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2020-11-15   
605-405 7 Arlington SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-409 6 Harrisburg-Tea SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-413 A Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-413 1 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2010-11-22   
605-413 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-415 A Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-415 4 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-501 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-06-25   
605-513 3 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2024-01-20   
605-531 2 Flandreau SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-550 A Mitchell SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-550 4 Mitchell SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2005-04-09   
605-569 4 Belle Fourche SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2010-11-22   
605-591 6 Spearfish SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-12-09   
605-593 A Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-593 0 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-593 4 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-593 5 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-01-30   
605-593 8 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-10   
605-593 9 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-10   
605-601 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-07-31   
605-609 A Pierre SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 A Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 0 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 1 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 2 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-11   
605-610 3 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-11   
605-610 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-620 2 Lake Preston SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-02-28   
605-634 1 Cavour SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-636 1 Madison SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-640 7 McIntosh SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-644 7 Spearfish SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2005-01-30   
605-646 4 Rapid City SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-05-18   
605-655 2 Yankton SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2007-04-22   
605-663 8 Huron SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-675 6 Vermillion SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-02-18   
605-679 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2014-06-02   
605-679 9 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2017-02-03   
605-681 2 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-11-09   
605-705 2 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2021-06-12   
605-789 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2012-04-10   
605-789 6 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-11-29   
605-799 4 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2016-05-14   
605-799 8 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-04-20   
605-800 3 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-08-13   
605-808 2 Redfield SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-815 9 Chamberlain SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-827 4 Volga SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-846 8 Aberdeen SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2020-07-05   
605-857 8 Yankton SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-09-28   
605-861 3 De Smet SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-865 1 Timber Lake SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2014-03-01   
605-884 5 Watertown SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2004-06-03   
605-884 9 Watertown SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-07-29   
605-892 8 Belle Fourche SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2006-11-01   
605-898 4 Iroquois SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-937 5 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2018-12-10   
605-952 9 Elk Point SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-956 4 Watertown SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-07-01   
605-987 9 Canton SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2020-12-08   
605-988 6 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2014-10-24   
605-988 8 Sioux Falls SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-05-18   
605-991 3 Milbank SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-998 1 Miller SD 5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
701-503 6 North McIntosh ND 8054 LEVEL 3 COMMUNICATIONS, LLC - ND 640   2023-01-08   
701-937 8 North Morristown ND 8054 LEVEL 3 COMMUNICATIONS, LLC - ND 640   2023-01-08   
712-394 A Beloit IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 640      
712-394 7 Beloit IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 640   2023-02-16   
712-612 7 East Harrisburg IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 640   2023-01-08   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.