| OfficeName | Address 1 | City | State | PostalCode | Phone |
| Anaconda Unit | 7916 Highway 1 West | Anaconda | MT | 59711 | (406) 563-6078 |
| Bozeman Unit | 2273 Boot Hill Court | Bozeman | MT | 59715 | (406) 586-5243 |
| Central Land Office | 8001 North Montana Avenue | Helena | MT | 59602 | (406) 458-3500 |
| Clearwater Unit | 48455 North Sperry Grade Road | Greenough | MT | 59823-9635 | (406) 244-5857 |
| Conrad Unit | Pondera Mall - 602 Main | Conrad | MT | 59425 | (406) 278-7869 |
| Dillon Unit | 730 North Montana Street | Dillon | MT | 59725 | (406) 683-6305 |
| Eastern Land Office | 321 Main Street | Miles City | MT | 59301 | (406) 232-2034 |
| Forest Management Bureau | 2705 Spurgin Road | Missoula | MT | 59804-3199 | (406) 542-4300 |
| Hamilton Unit | PO Box 713 | Hamilton | MT | 59840 | (406) 363-1585 |
| Helena Unit | 8001 North Montana Avenue | Helena | MT | 59601 | (406) 458-3500 |
| Kalispell Unit | 2250 Highway 93 North | Kalispell | MT | 59901-2557 | (406) 751-2240 |
| Lewistown Unit | 613 Northeast Main Street | Lewistown | MT | 59457-1021 | (406) 538-7789 |
| Libby Unit | 14096 U.S. Highway 37 | Libby | MT | 59923 | (406) 293-2711 |
| Lincoln Unit | PO Box 127 | Lincoln | MT | 59639 | (406) 362-4999 |
| Missoula Unit | 1500 Tower Street | Missoula | MT | 59804 | (406) 542-4201 |
| Northeastern Land Office | 613 Northeast Main Street | Lewistown | MT | 59457-1021 | (406) 538-7789 |
| Northwestern Land Office | 2250 Highway 93 North | Kalispell | MT | 59901-2557 | (406) 751-2240 |
| Plains Unit | 124 Airport Road | Plains | MT | 59859 | (406) 826-3851 |
| Southern Land Office | Airport Industrial Park | Billings | MT | 59105-1978 | (406) 247-4400 |
| Stillwater Unit | Stillwater State Forest | Olney | MT | 59927 | (406) 881-2371 |
| Swan River Unit | Swan River State Forest | Swan Lake | MT | 59911 | (406) 754-2301 |
| Southwestern Land Office | 1401 27th Avenue | Missoula | MT | 59804 | (406) 542-4200 |