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  District Chicago  

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District 3 Headquarters
If this is an emergency, dial 911
9511 W. Harrison St.  Des Plaines, Illinois  60016-1562

Telephone: (847) 294-4400

Counties Served:  Cook 
District Commander Captain Margaret M. Mcgreal (847) 294-4400 
Safety Education Officer Trooper Woodrow Montgomery (847) 294-4374

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