Government in Forreston, IL Forreston City Hall102 N Walnut AveForreston, IL, 610308159382400City HallGovernment CityGovernment OfficesUnemployment Office Forreston Sewage & Treatment102 N Walnut AveForreston, IL, 610308159382100City Hall OfGovernment CityGovernment OfficesUnemployment Office Show MoreSee AlsoGovernment Offices