| Business | Phone |
| Mahnomen Elementary School 310 W Madison Ave, Mahnomen 56557 | (218) 935-2581 |
| Mahnomen High School 209 1st St Sw, Mahnomen 56557 | (218) 935-2213 |
| Mahnomen School District 309 1st St Sw, Mahnomen 56557 | (218) 935-2211 |
| St Michael's School 501 1st St Sw, Mahnomen 56557 | (218) 935-5222 |