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.

Switch: FRSYMTMA0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-346 A Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 1 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 2 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 3 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 4 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 5 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 6 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 7 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 8 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-346 9 Forsyth MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      
406-749 5 Colstrip MT 8140 RANGE TELEPHONE COOPERATIVE, INC. - MT 650      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.