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: HAVRMTXCDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-292 A Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-292 1 Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-292 3 Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-292 4 Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-292 7 Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-292 9 Joplin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-352 A Box Elder MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-355 A Rudyard MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 A Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 0 Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 2 Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 3 Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 4 Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-357 8 Chinook MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-372 A Kremlin MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-376 A Gildford MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 A Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-379 A Turner MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-386 A Hopp-Illiad MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 A North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 0 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 1 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 2 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 3 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 4 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 5 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 7 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 8 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-394 9 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-395 A South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-395 1 South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648   2016-08-15   
406-395 4 South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-395 5 South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-395 6 South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-395 8 South Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-397 A Hingham MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-398 A North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-398 1 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-398 5 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-398 9 North Havre MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-456 A South Chester MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-462 A Winifred MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 A Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 0 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 1 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 2 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 3 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 4 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 5 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 6 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      

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

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