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: THFLMTXCRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-827 A Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 0 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 1 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 2 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 3 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 4 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 5 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 6 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 7 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      
406-827 9 Thompson Falls MT 2235 BLACKFOOT TEL. COOP., INC. 648      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.