| Business | Phone |
| Netherlands Reformed Christian 712 20th Ave Se, Rock Valley 51247 | (712) 476-2821 |
| Rock Valley Christian School 1405 17th St, Rock Valley 51247 | (712) 476-2615 |
| Rock Valley Elementary School 1520 19th Ave, Rock Valley 51247 | (712) 476-2769 |
| Rock Valley High School 1712 20th Ave, Rock Valley 51247 | (712) 476-2701 |
| Rock Valley Superintendent's 1712 20th Ave, Rock Valley 51247 | (712) 476-2125 |