| Business | Phone |
| St Lawrence Catholic School 113 S 6th St, Milbank 57252 | (605) 432-5673 |
| Cook Elementry 410 E 10th Ave, Milbank 57252 | (605) 432-6730 |
| De Fea Transportation 209 E 12th Ave, Milbank 57252 | (605) 432-4836 |
| Headstart Program Grant County Courthouse, Milbank 57252 | (605) 432-9260 |
| Milbank High School 1001 E Park Ave, Milbank 57252 | (605) 432-5546 |
| Milbank Middle School 1001 E Park Ave, Milbank 57252 | (605) 432-5519 |
| Milbank School District 25-4 1001 E Park Ave, Milbank 57252 | (605) 432-5579 |