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: VBRGSDAADS0

Remotes:

Switch Switch name Switch type
IRENSDXARS1  IRENE  EXM 
LNNXSDXARS1  LENNOX  EXM 
PRKRSDXARS1  PARKER  EXM 
SXFLSD14DS1  SIOUX FALLS  C5 
WKNDSDXARS1  WAKONDA  EXM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-306 A Sioux Falls SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-498 A Harrisburg-Tea SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-552 A Centerville SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-573 A Flandreau SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-672 A Vermillion SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-684 A Flandreau SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-764 A Canton SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-766 A Viborg SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-767 A Harrisburg-Tea SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-965 A Sioux Falls SD 7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.