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: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-418 A Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640      
605-418 0 Aberdeen SD SXFLSDPS1MD  939H COMMIO, LLC 640   2022-07-30   
605-418 1 Aberdeen SD SXFLSDCHVMD  5562 METROPCS, INC. 640   2021-06-15   
605-418 2 Aberdeen SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-418 3 Aberdeen SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-07-18   
605-418 4 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   
605-418 5 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   
605-418 6 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   
605-418 7 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   
605-418 8 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   
605-418 9 Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640   2021-06-14   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.