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: SXFLSDPS1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-269 9 Spearfish SD 939H COMMIO, LLC 640   2022-07-30   
605-318 4 Pierre SD 939H COMMIO, LLC 640   2022-07-30   
605-416 5 Rapid City SD 939H COMMIO, LLC 640   2021-10-14   
605-416 6 Rapid City SD 939H COMMIO, LLC 640   2021-10-14   
605-416 7 Rapid City SD 939H COMMIO, LLC 640   2021-10-14   
605-416 8 Rapid City SD 939H COMMIO, LLC 640   2021-10-14   
605-418 0 Aberdeen SD 939H COMMIO, LLC 640   2022-07-30   
605-616 0 Canton SD 939H COMMIO, LLC 640   2023-10-13   
605-616 2 Canton SD 939H COMMIO, LLC 640   2023-10-13   
605-616 3 Canton SD 939H COMMIO, LLC 640   2023-10-13   
605-616 4 Canton SD 939H COMMIO, LLC 640   2023-10-13   
605-616 5 Canton SD 939H COMMIO, LLC 640   2023-10-13   
605-621 1 Madison SD 939H COMMIO, LLC 640   2023-10-13   
605-621 2 Madison SD 939H COMMIO, LLC 640   2023-10-13   
605-621 3 Madison SD 939H COMMIO, LLC 640   2023-10-13   
605-621 4 Madison SD 939H COMMIO, LLC 640   2023-10-13   
605-621 5 Madison SD 939H COMMIO, LLC 640   2023-10-13   
605-667 2 Harrisburg-Tea SD 939H COMMIO, LLC 640   2021-09-16   
605-667 3 Harrisburg-Tea SD 939H COMMIO, LLC 640   2021-09-16   
605-675 0 Vermillion SD 939H COMMIO, LLC 640   2023-10-13   
605-675 1 Vermillion SD 939H COMMIO, LLC 640   2023-10-13   
605-675 2 Vermillion SD 939H COMMIO, LLC 640   2023-10-13   
605-675 3 Vermillion SD 939H COMMIO, LLC 640   2023-10-13   
605-675 4 Vermillion SD 939H COMMIO, LLC 640   2023-10-13   
605-705 A Sioux Falls SD 939H COMMIO, LLC 640      
605-705 5 Sioux Falls SD 939H COMMIO, LLC 640   2019-08-16   
605-905 0 Sturgis SD 939H COMMIO, LLC 640   2023-10-13   
605-905 1 Sturgis SD 939H COMMIO, LLC 640   2023-10-13   
605-905 2 Sturgis SD 939H COMMIO, LLC 640   2023-10-13   
605-905 3 Sturgis SD 939H COMMIO, LLC 640   2023-10-13   
605-905 4 Sturgis SD 939H COMMIO, LLC 640   2023-10-13   
605-975 0 Yankton SD 939H COMMIO, LLC 640   2022-07-30   

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

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