| Office | Main Number | Toll Free |
|---|---|---|
| Billings | (406) 657-6287 | (866) 608-8789 |
| Browning | (406) 338-5921 | (866) 324-6991 |
| Glasgow | (406) 228-4682 | (866) 271-8083 |
| Great Falls | (406) 453-4461 | (866) 881-1753 |
| Hardin | (406) 665-4210 | (866) 387-4240 |
| Helena & Butte | (406) 441-1160 | (866) 699-0914 |
| Missoula | (406) 542-7100 | (866) 502-5060 |
| Chief, Finance and Supervisors | Office Number |
|---|---|
| Brian Farren, Chief U.S. Probation Officer | (406) 657-6289 |
| JR Waller, Deputy Chief U.S. Probation Officer/DATS | (406) 542-7109 |
| Eric Buehler, Assistant Deputy Chief U.S. Probation Officer | (406) 441-1164 |
| Tanya Wilson, Supervisor Billings | (406) 657-6550 |
| Marty Hylland, Supervisor Billings | (406) 657-6709 |
| Kevin Heffernan, Supervisor Great Falls | (406) 453-3995 |
| Derek Hart, Supervisor Missoula | (406) 542-7104 |
| Josh Lachenmeier, Supervisor Indian Country (Browning, Glasgow, Hardin) | (406) 638-6000 |
| Loren Trebesch, Systems Technology Supervisor | (406) 542-7111 |
| Human Resources | (406) 542-7113 |
| Tina Plute, Finance Supervisor | (406) 542-7107 |