ZIP Code 57049
North Sioux City, South Dakota · Union County
No25249
Zip57049
TypeSTANDARD
Decommissioned0
Primary CityNorth Sioux City
Acceptable CitiesDakota Dunes, Mccook Lake, N Sioux City
Unacceptable Cities—
StateSD
LstateSouth Dakota
CountyUnion County
TimezoneAmerica/Chicago
Area Codes402, 531, 605, 712
World RegionNA
CountryUS
Latitude42,53
Longitude-96,5