City · Nebraska · United States
South Sioux City, NE — ZIP codes
1 ZIP code · Dakota County
- City
- South Sioux City
- County
- Dakota
- State
- Nebraska
- Country
- United States
- Postal code
- 68776Single source
- Coordinates
- 42.4656, -96.4182 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 68776 | South Sioux City | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames. Last generated : 2026-08-21. Report an error.