ZIP Code 51103 – Sioux City, Iowa
The 51103 ZIP Code belongs to Sioux City, Iowa. The population in this 51103 ZIP code is 17,145. The latitude is 42.52173 and longitude is -96.44642 in 51103 Sioux City, Iowa. The time zone for this 51103 ZIP code is America/Chicago.
| City | Sioux City |
| Zip Code | 51103 |
| State | Iowa |
| County | Woodbury |
| Population | 17,145 |
| Latitude | 42.52173 |
| Longitude | -96.44642 |
| Time Zone | America/Chicago |