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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-646 A Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-646 0 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-07-23   
605-646 1 Rapid City SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2011-10-12   
605-646 2 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2012-05-04   
605-646 3 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2012-07-08   
605-646 4 Rapid City SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-05-18   
605-646 5 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2014-10-01   
605-646 6 Rapid City SD SXFLSDCOXMD  693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 640   2012-08-01   
605-646 7 Rapid City SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2018-02-16   
605-646 8 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2019-03-01   
605-646 9 Rapid City SD SXFLSDPS0MD  073H TELNYX LLC 640   2017-03-31   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.