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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-312 7 West Spearfish WY 508J CENTURYLINK COMMUNICATIONS, LLC 640      
307-785 7 West Belle Fourche WY 508J CENTURYLINK COMMUNICATIONS, LLC 640      
402-882 8 South Yankton NE 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-269 3 Spearfish SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-291 7 Madison SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-302 7 Redfield SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-356 6 Elk Point SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-368 7 Harrisburg-Tea SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-423 6 Sturgis SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-524 6 McIntosh SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-546 4 Iroquois SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-597 6 Mitchell SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-599 5 Cavour SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-626 9 Aberdeen SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-699 5 Belle Fourche SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-730 5 Chamberlain SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-740 A Sioux Falls SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-740 7 Sioux Falls SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-741 2 Vermillion SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-776 5 Pierre SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-836 5 Canton SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-853 6 Miller SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-854 7 De Smet SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-857 7 Yankton SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-858 7 Rapid City SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-865 9 Timber Lake SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-872 3 Rapid City SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-902 7 Watertown SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-930 A Volga SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-930 7 Volga SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-949 7 Milbank SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-954 7 Watertown SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-960 7 Huron SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-997 7 Flandreau SD 508J CENTURYLINK COMMUNICATIONS, LLC 640      
701-815 6 North McIntosh ND 508J CENTURYLINK COMMUNICATIONS, LLC 640      
701-937 7 North Morristown ND 508J CENTURYLINK COMMUNICATIONS, LLC 640      
712-746 1 East Harrisburg IA 508J CENTURYLINK COMMUNICATIONS, LLC 640      
712-888 7 Beloit IA 508J CENTURYLINK COMMUNICATIONS, LLC 640      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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