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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-213 A Harrisburg-Tea SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2004-01-02   
605-262 A Aberdeen SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640      
605-271 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2004-12-24   
605-274 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640      
605-275 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640      
605-292 A Mitchell SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2004-06-27   
605-435 A Waubay SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2004-06-18   
605-444 A Sioux Falls SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2006-10-30   
605-465 A Crooks SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2009-09-16   
605-548 A Baltic SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640   2009-06-20   
605-556 A Madison SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640      
605-558 A Canton SD 7076 MIDCONTINENT COMMUNICATIONS - SD 640      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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