North Sioux City, SD ZIP Code

ZIP code, county, time zone and coordinates of North Sioux City, South Dakota

The ZIP code of North Sioux City, SD is 57049. It is in Union County.

Mailing address format for North Sioux City

John Smith
123 Main St
NORTH SIOUX CITY SD 57049
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in North Sioux City

ZIP codePopulationArea
57049—14.2 sq miMain

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is North Sioux City? Location, county and time zone

State
South Dakota
County
Union County
GPS coordinates
42.53589, -96.49472
Elevation
1,109 ft (338 m)
Time zone
America/ChicagoCST · UTC-06:00
Population
3,042

Map of North Sioux City, SD 57049

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ZIP codes near North Sioux City

North Sioux City ZIP code: FAQ

What is the ZIP code for North Sioux City, SD?

The main ZIP code for North Sioux City, SD is 57049.

How many ZIP codes does North Sioux City have?

North Sioux City has 1 ZIP code.

What county is North Sioux City, SD in?

North Sioux City is in Union County, South Dakota.

What time zone is North Sioux City in?

North Sioux City is in the America/Chicago time zone (CST, UTC-06:00 right now).

What are the coordinates of North Sioux City?

Latitude 42.53589, longitude -96.49472.

Last updated: