Phone number (406) 480-5348
This number is registered with the FMCSA by the following motor carrier. If a dispatcher or carrier called you from this number, check that the company details below match what they told you.
| Company | USDOT | Docket | Trucks | Authority |
|---|---|---|---|---|
| JOE TOPP DBA DIAMOND T OILFIELD SERVICE |
2802232 | MC936321 | 2 | Last known: Active FMCSA snapshot May 14, 2026 |
Fraud check: freight fraud often involves someone using a real carrier's name with a different phone number. If the caller's number does not match the one on file, call the carrier back on the registered number before tendering a load.