| Business | Phone |
| City Golf Edmundson Dr, Oskaloosa 52577 | (641) 672-5120 |
| Oskaloosa City Engineer 804 S D St, Oskaloosa 52577 | (641) 673-7472 |
| Oskaloosa City Clerk 220 S Market St, Oskaloosa 52577 | (641) 673-9431 |
| Oskaloosa Housing 220 S Market St, Oskaloosa 52577 | (641) 673-8362 |
| Oskaloosa Maintenance Shop 216 N C St, Oskaloosa 52577 | (641) 673-9509 |
| Oskaloosa Pump Station 2075 Highway 63, Oskaloosa 52577 | (641) 672-2351 |
| Oskaloosa Wastewater 2632 Kent Ave, Oskaloosa 52577 | (641) 673-5433 |