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.
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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: Tue, 16 Apr 2024 01:38:01 UTC

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