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: 961

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-961 A Sioux Falls SD SXFLSDPS4MD  197D VONAGE AMERICA LLC 640      
605-961 0 Sioux Falls SD SXFLSDPS4MD  197D VONAGE AMERICA LLC 640   2018-08-12   
605-961 2 Sioux Falls SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2018-12-22   
605-961 3 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2018-10-08   
605-961 4 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2018-10-08   
605-961 5 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2018-10-08   
605-961 6 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2018-10-08   
605-961 7 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2018-09-03   
605-961 8 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2018-09-03   
605-961 9 Sioux Falls SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2020-06-19   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.