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: SXFLSDCHIMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-312 A West Spearfish WY 081F BANDWIDTH.COM CLEC, LLC - WY 640      
605-549 A Spearfish SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-646 A Rapid City SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-653 A Yankton SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-699 A Belle Fourche SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-777 A Harrisburg-Tea SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-937 A Sioux Falls SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-951 A Sioux Falls SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-952 A Elk Point SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-954 A Watertown SD 106F BANDWIDTH.COM CLEC, LLC - SD 640      
701-815 A North McIntosh ND 999E BANDWIDTH.COM CLEC, LLC - ND 640      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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