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: 815

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-815 A Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-815 0 Chamberlain SD SXFLSDPS0MD  073H TELNYX LLC 640      
605-815 1 Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-815 2 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-815 3 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-815 4 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-815 5 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-815 6 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-815 7 Chamberlain SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-815 9 Chamberlain SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.