Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLNGMT939MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-227 7 Mammoth WY 145J TERRA NOVA TELECOM INC. 650   2023-08-31   
307-424 4 Lake WY 145J TERRA NOVA TELECOM INC. 650   2023-08-10   
406-213 2 Colstrip MT 145J TERRA NOVA TELECOM INC. 650   2022-12-17   
406-318 3 Billings MT 145J TERRA NOVA TELECOM INC. 650   2023-06-24   
406-373 4 Billings MT 145J TERRA NOVA TELECOM INC. 650   2022-12-17   
406-425 6 Red Lodge MT 145J TERRA NOVA TELECOM INC. 650   2023-02-17   
406-482 7 Sidney MT 145J TERRA NOVA TELECOM INC. 650   2022-11-03   
406-489 5 Sidney MT 145J TERRA NOVA TELECOM INC. 650   2023-06-24   
406-699 2 Hardin MT 145J TERRA NOVA TELECOM INC. 650   2023-08-06   
406-699 3 Hardin MT 145J TERRA NOVA TELECOM INC. 650   2022-12-17   
406-749 3 Colstrip MT 145J TERRA NOVA TELECOM INC. 650   2023-06-24   
406-796 7 Wibaux (Mid-Rivers) MT 145J TERRA NOVA TELECOM INC. 650   2023-04-27   
406-796 8 Wibaux (Mid-Rivers) MT 145J TERRA NOVA TELECOM INC. 650   2022-10-08   
406-853 7 Miles City MT 145J TERRA NOVA TELECOM INC. 650   2023-06-24   
406-874 0 Miles City (Mid-Rivers) MT 145J TERRA NOVA TELECOM INC. 650   2022-11-03   
406-919 A Belgrade MT 145J TERRA NOVA TELECOM INC. 650      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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