NORTH SIOUX CITY Zip Code (SD)

The Zipcode for North Sioux City is 57049. North Sioux City is a city of Union, South Dakota in the Upper Plains region of the USA. It is located about 230 miles east-southeast of SD's capital city of Pierre. In the most recent US census the population of North Sioux City was 2530.

• Same zip code Suburbs Dakota Dunes, Mccook Lake, N Sioux City

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