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

1 2 >>

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      

1 2 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.