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: BKNGSDXB0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-560 A Brookings Rural SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-560 1 Brookings Rural SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-592 3 Brookings SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-592 9 Brookings SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-686 A Estelline SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-686 1 Estelline SD 920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.