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: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-888 A Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-888 0 Chamberlain SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640   2024-02-05   
605-888 4 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2014-04-18   
605-888 5 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-09-15   
605-888 6 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-01-17   
605-888 7 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-01-17   
605-888 8 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-01-18   
605-888 9 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2014-04-18   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.