ZIP Code 61257
Hillsdale, Illinois · Rock Island County
No27010
Zip61257
TypeSTANDARD
Decommissioned0
Primary CityHillsdale
Acceptable Cities—
Unacceptable Cities—
StateIL
LstateIllinois
CountyRock Island County
TimezoneAmerica/Chicago
Area Codes309, 779, 815
World RegionNA
CountryUS
Latitude41,61
Longitude-90,17