ILLINOIS State Police

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Illinois Sex Offenders

Mailing Address
Illinois State Police Division or Office
125 E. Monroe St., Room No.
P.O. Box 19461
Springfield, IL 62794-9461

or

Illinois State Police Division or Office
124 E. Adams St., Room No.
P.O. Box 19461
Springfield, IL 62794-9461

General Phone Numbers
Academy 217-786-6902
Communications Services 217-782-5282
Forensics 217-782-4649