where is 60640
Zip Code 60640 - Chicago, IL. 60640 is located in the state of Illinois in the Chicago metro area. Zip code 60640 is primarily located in Cook County. The official postal service name used for 60640 is CHICAGO, Illinois.Portions of the 60640 zip code are contained within or border the city limits of Chicago, IL, .ip Code 60640 - Chicago, IL. 60640 is located in the state of Illinois in the Chicago metro area. Zip code 60640 is primarily located in Cook County. The official postal service name used for 60640 is CHICAGO, Illinois.