| Business | Phone |
| Tri Valley High School 46450 252nd St, Colton 57018 | (605) 543-5541 |
| Tri Valley School Adm Ofc 46450 252nd St, Colton 57018 | (605) 446-3538 |
| Tri-Valley School District Adm 46450 252nd St, Colton 57018 | (605) 543-5500 |
| Tri-Valley Schools 46450 252nd St, Colton 57018 | (605) 446-3207 |