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: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-405 A Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-405 0 Arlington SD SXFLSDCOX1X  073H TELNYX LLC 640      
605-405 1 Arlington SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-405 2 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-405 3 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-405 4 Arlington SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-405 5 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-405 6 Arlington SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-405 7 Arlington SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-405 8 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-405 9 Arlington SD WTTWSDCO0MD  907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. 640      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.