ZIP Code 52249
Keystone, Iowa · Benton County
No23029
Zip52249
TypeSTANDARD
Decommissioned0
Primary CityKeystone
Acceptable Cities—
Unacceptable Cities—
StateIA
LstateIowa
CountyBenton County
TimezoneAmerica/Chicago
Area Codes319
World RegionNA
CountryUS
Latitude41,99
Longitude-92,19