ZIP Code 60428
Markham, Illinois · Cook County
No26625
Zip60428
TypeSTANDARD
Decommissioned0
Primary CityMarkham
Acceptable CitiesHarvey
Unacceptable Cities—
StateIL
LstateIllinois
CountyCook County
TimezoneAmerica/Chicago
Area Codes464, 708
World RegionNA
CountryUS
Latitude41,6
Longitude-87,69