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: SXFLSDPSDS0

Remotes:

Switch Switch name Switch type
RDFDSD04RL0  REDFIELD  OCX 
WBSTSD01RL0  ABERDEEN  G20 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-213 A Harrisburg-Tea SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-262 A Aberdeen SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-271 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-274 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-275 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-276 A Roscoe SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-276 5 Roscoe SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2016-03-25   
605-281 5 Bowdle SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2016-02-25   
605-292 A Mitchell SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-410 A Ipswich SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-410 5 Ipswich SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2017-10-15   
605-420 A Roslyn SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-420 5 Roslyn SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2016-03-25   
605-435 A Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-435 0 Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-435 3 Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-435 5 Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-435 8 Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-435 9 Waubay SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-444 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-465 A Crooks SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-548 A Baltic SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 A Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 0 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 1 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 2 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 3 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 4 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 5 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 7 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 8 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 9 Madison SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-558 A Canton SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-606 0 Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2021-06-21   
605-643 A Selby SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-643 5 Selby SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2016-03-25   
605-740 8 Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2019-03-15   
605-740 9 Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2019-03-15   
605-744 0 Lennox SD 7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2012-08-25   

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

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