Phone number (701) 572-1832
This number is shared by 2 companies and is registered with the FMCSA by the following companies. If a dispatcher or carrier called you from this number, check that the company details below match what they told you.
| Company | Location | USDOT | Docket | Trucks | Authority |
|---|---|---|---|---|---|
| COS LLC Carrier · DBA CASTLE OILFIELD SERVICES |
Williston, ND | 2496282 | MC1376430 | 20 | Active Last known · May 14, 2026 |
| STATELINE SERVICES INC Carrier & broker · DBA STATELINE LLC |
Williston, ND | 2136935 | MC744028 | 12 | Active Last known · 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.