| Business | Phone |
| Road Sheds Challis 83226 | (208) 879-2379 |
| Custer County Agent Courthouse, Challis 83226 | (208) 879-2344 |
| Custer County Motor Vehicle 9th & Main Stamp;, Challis 83226 | (208) 879-2830 |
| Custer County Clerk 801 Main St, Challis 83226 | (208) 879-2360 |