Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: HAVRMTXCDS0

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      
406-378 0 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 1 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 2 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 3 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 4 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 5 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 6 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 7 Big Sandy MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-378 9 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      
406-658 A South Malta 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      
406-674 7 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 8 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-674 9 Whitewater MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-739 A Loma MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-759 A Chester MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-759 5 Chester MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-759 6 Chester MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      
406-759 8 Chester MT 2257 TRIANGLE TEL. COOP. ASSN., INC. 648      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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