ZIP Code 51111 – Sioux City, Iowa
The 51111 ZIP Code belongs to Sioux City, Iowa. The population in this 51111 ZIP code is 48. The latitude is 42.41129 and longitude is -96.38606 in 51111 Sioux City, Iowa. The time zone for this 51111 ZIP code is America/Chicago.
| City | Sioux City |
| Zip Code | 51111 |
| State | Iowa |
| County | Woodbury |
| Population | 48 |
| Latitude | 42.41129 |
| Longitude | -96.38606 |
| Time Zone | America/Chicago |