| Business | Phone |
| Oak Park Village Office 1048 Lake St, Oak Park 60301 | (708) 358-5570 |
| Oak Park Village Hall 1 Village Hall Plz, Oak Park 60302 | (708) 383-6400 |
| Unified Services Plan 105 S Oak Park Ave, Oak Park 60302 | (708) 383-1220 |
| Oak Park Community Svc Dept 123 Madison St, Oak Park 60302 | (708) 358-5400 |
| Oak Park Human Resources Dept Oak Park 60302 | (708) 358-5650 |
| Oak Park Information Tech Dept 123 Madison St, Oak Park 60302 | (708) 358-5450 |
| Oak Park Law Dept 123 Madison St, Oak Park 60302 | (708) 358-5660 |
| Oak Park Village Adm Office 123 Madison St, Oak Park 60302 | (708) 358-5430 |
| Oak Park Village Board Oak Park 60302 | (708) 358-5784 |
| Oak Park Village Clerk 123 Madison St, Oak Park 60302 | (708) 358-5670 |
| United Way Of Oak Park 1042 Pleasant St, Oak Park 60302 | (708) 386-4885 |
| Village Of Oak Park 123 Madison St, Oak Park 60302 | (708) 358-5770 |