| Business | Phone |
| Du Page County Adult Probation 505 N County Farm Rd, Wheaton 60187 | (630) 682-7120 |
| Du Page County Probation Dept 505 N County Farm Rd, Wheaton 60187 | (630) 407-8444 |
| Du Page County Probation-Spec 505 N County Farm Rd, Wheaton 60187 | (630) 682-7113 |