ZIP Code 51101
Sioux City, Iowa · Woodbury County
No22743
Zip51101
TypeSTANDARD
Decommissioned0
Primary CitySioux City
Acceptable Cities—
Unacceptable CitiesWickham Spur
StateIA
LstateIowa
CountyWoodbury County
TimezoneAmerica/Chicago
Area Codes712
World RegionNA
CountryUS
Latitude42,5
Longitude-96,39