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.

NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 789

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-789 A Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-789 0 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-10-02   
605-789 1 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2011-06-17   
605-789 2 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 3 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 4 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 5 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2012-04-10   
605-789 6 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-11-29   
605-789 7 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-09-15   
605-789 8 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2011-10-28   
605-789 9 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-09-06   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.