Local Calling Guide

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OCN: 145J TERRA NOVA TELECOM INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
405-865 3 Carney OK   536   2021-11-07   
405-890 0 Stella OK   536   2025-07-17   
405-988 9 McLoud OK   536   2025-07-12   
405-991 1 Lindsay OK   536   2025-07-12   
405-993 9 Choctaw OK   536   2025-07-10   
406-213 2 Colstrip MT   650   2022-12-17   
406-225 5 Boulder MT   648   2025-10-09   
406-228 5 Glasgow MT   650   2025-08-29   
406-235 2 Wolf Creek MT   648   2025-10-09   
406-242 2 Thompson Falls MT   648   2025-10-06   
406-247 9 Billings MT   650   2021-09-28   
406-278 2 Conrad MT   648   2025-10-09   
406-310 0 Butte MT   648   2025-10-09   
406-318 0 Billings MT   650   2025-09-09   
406-318 1 Billings MT BLNGMT939MD  650   2024-12-05   
406-321 7 Columbus MT   650   2021-09-28   
406-330 3 Clinton MT   648   2025-10-06   
406-331 1 Roundup MT   650   2025-08-29   
406-332 2 Pablo MT   648   2025-10-09   
406-333 3 Livingston MT   650   2020-11-19   
406-340 0 Lima MT   648   2025-10-09   
406-343 3 Wyola MT   650   2025-08-29   
406-345 4 Glendive MT   650   2021-01-21   
406-391 4 Cut Bank MT   648   2025-10-09   
406-399 9 South Havre MT   648   2025-10-06   
406-425 9 Red Lodge MT   650   2022-08-03   
406-434 4 Shelby MT   648   2025-10-09   
406-448 8 North Poplar MT   650   2025-08-29   
406-464 6 Roy MT   650   2025-08-29   
406-482 7 Sidney MT   650   2022-11-03   
406-484 4 Crooked Creek MT   654   2025-08-29   
406-485 8 Circle MT   650   2025-06-07   
406-489 5 Sidney MT   650   2023-06-24   
406-489 6 Sidney MT BLNGMT939MD  650   2024-09-14   
406-515 5 Superior MT   648   2025-10-09   
406-520 0 Absarokee MT   650   2025-08-29   
406-525 2 South Wolf Point MT   650   2025-06-07   
406-553 3 Divide MT   648   2025-10-09   
406-559 5 Anaconda MT   648   2025-10-06   
406-621 5 Fort Benton MT   648   2025-10-11   
406-633 8 Laurel MT BLNGMT939MD  650   2024-12-05   
406-635 2 Terry MT   650   2021-11-04   
406-644 4 Charlo MT   648   2025-10-09   
406-649 0 St Regis MT   648   2025-10-11   
406-654 9 Malta MT   648   2025-10-11   
406-677 4 Seeley Lake MT   648   2025-10-11   
406-688 6 Scobey MT   650   2025-08-29   
406-699 1 Hardin MT   650   2022-05-05   
406-699 7 Hardin MT   650   2025-02-14   
406-699 8 Hardin MT   650   2025-10-31   
406-707 A Lewistown MT   648      
406-707 5 Lewistown MT   648   2025-10-13   
406-709 1 Lakeside MT   648   2025-10-11   
406-726 0 Arlee MT   648   2025-10-09   
406-742 3 Fairview MT   650   2021-01-21   
406-744 4 St Ignatius MT   648   2025-10-06   
406-749 2 Colstrip MT   650   2021-09-28   
406-749 3 Colstrip MT   650   2023-06-24   
406-749 4 Colstrip MT   650   2022-05-05   
406-749 7 Colstrip MT   650   2025-05-08   
406-763 3 Gallatin Gateway MT   650   2020-11-19   
406-769 3 Bainville MT   650   2025-08-28   
406-772 7 Plevna MT   650   2025-06-07   
406-773 7 Richey MT   650   2025-08-29   
406-775 5 Ekalaka MT   650   2025-06-07   
406-778 4 Baker MT   650   2025-06-07   
406-779 9 Flaxville Rural MT   650   2025-08-29   
406-785 4 North Nashua MT   650   2025-08-29   
406-787 8 Culbertson MT   650   2025-06-07   
406-790 1 Culbertson MT   650   2026-01-04   
406-796 7 Wibaux MT   650   2023-04-27   
406-818 5 Red Lodge MT   650   2022-01-16   
406-820 0 Olney MT   648   2025-10-09   
406-823 7 Livingston MT   650   2021-09-28   
406-826 7 Plains MT   648   2025-10-11   
406-828 8 Alzada MT   650   2025-08-29   
406-833 3 Ronan MT   648   2025-10-06   
406-846 6 Deer Lodge MT   648   2025-10-09   
406-853 7 Miles City MT   650   2023-06-24   
406-853 9 Miles City MT   650   2025-10-04   
406-857 6 Somers MT   648   2025-10-11   
406-878 8 Great Falls MT   648   2025-10-09   
406-884 8 Polson MT   648   2025-10-09   
406-886 9 Swan Lake MT   648   2025-10-11   
406-887 9 Finley Point MT   648   2025-10-11   
406-914 3 Lambert MT   650   2025-08-29   
406-919 A Belgrade MT BLNGMT939MD  650      
406-919 9 Belgrade MT   650   2019-04-27   
406-920 2 Bozeman MT   650   2022-08-03   
406-922 4 Bozeman MT   650   2022-01-05   
406-930 4 Big Timber MT   650   2026-01-04   
406-930 6 Big Timber MT   650   2025-06-07   
406-933 3 Helena MT   648   2025-10-06   
406-935 2 Broadus MT   650   2025-06-07   
406-935 5 Broadus MT   650   2026-01-04   
406-939 9 West Glendive MT   650   2026-01-04   
406-940 0 Molt MT   650   2025-08-29   
406-945 8 Havre MT   648   2025-10-11   
406-949 4 Townsend MT   648   2025-10-11   
406-951 8 Miles City MT   650   2025-02-14   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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