| Business | Phone |
| Onaway Area Community Schools 4549 M 33, Onaway 49765 | (989) 733-2700 |
| Onaway High School 4549 M 33, Onaway 49765 | (989) 733-4970 |
| Onaway Superintendent's Office 4549 M 33, Onaway 49765 | (989) 733-8423 |
| Seventh-Day Adventist School 21440 M 68 Hwy, Onaway 49765 | (989) 733-8600 |
| Presqueisle Academy 21045 M 68 Hwy, Onaway 49765 | (989) 733-6708 |