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.

OCN: 843H SAGEBRUSH CELLULAR, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
406-315 A Great Falls MT GRFLMTMAJMD  648      
406-315 9 Great Falls MT GRFLMTMAJMD  648   2017-11-05   
406-688 A Scobey MT GLSGMTXC0MD  650      
406-688 8 Scobey MT GLSGMTXC0MD  650   2014-04-01   
406-688 9 Scobey MT GLSGMTXC0MD  650   2014-04-01   
406-953 A Hardin MT GLSGMTXC0MD  650      
406-953 8 Hardin MT GLSGMTXC0MD  650   2019-01-10   
406-953 9 Hardin MT GLSGMTXC0MD  650   2019-01-10   
701-601 A Fortuna ND WLSTNDBCCM0  638      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.