| Business | Phone |
| Cambria Township Hall 7249 Cambria Rd, Hillsdale 49242 | (517) 357-4225 |
| Hillsdale City Of Dial A Ride 45 N West St, Hillsdale 49242 | (517) 437-3385 |
| Hillsdale Public Svc Dept 149 Water Works Ave, Hillsdale 49242 | (517) 437-6490 |
| Public Service Dept 149 Water Works Ave, Hillsdale 49242 | (517) 437-5619 |
| Sandy Beach Beach House, Hillsdale 49242 | (517) 439-1505 |
| Treasurer's Office 97 N Broad St, Hillsdale 49242 | (517) 437-5634 |