| Business | Phone |
| Tarkio Academy 300 N 13th St, Tarkio 64491 | (660) 736-4132 |
| Tarkio Elementary School 1201 Pine St, Tarkio 64491 | (660) 736-4177 |
| Tarkio High School 312 S 11th St, Tarkio 64491 | (660) 736-4118 |
| Tarkio Superintendent Office 312 S 11th St, Tarkio 64491 | (660) 736-4161 |