Zip Code 60707 Description Zip Code 60707 is located in the state of Illinois in the Chicago metro area. Zip code 60707 is primarily located in Cook County. The official US Postal Service name for 60707 is ELMWOOD PARK, Illinois. Portions of zip code 60707 are contained within or border the city limits of Elmwood Park, IL, Chicago, IL, River Grove, IL, Oak Park, IL, and River Forest, IL. Zip code 60707 is within area code 708 and area code 773.