Sioux City post codes
| Place | Region | County | Code |
|---|---|---|---|
| Sioux City | Iowa (IA) | Woodbury County | 51101 |
| Sioux City | Iowa (IA) | Woodbury County | 51102 |
| Sioux City | Iowa (IA) | Woodbury County | 51103 |
| Sioux City | Iowa (IA) | Woodbury County | 51104 |
| Sioux City | Iowa (IA) | Woodbury County | 51105 |
| Sioux City | Iowa (IA) | Woodbury County | 51106 |
| Sioux City | Iowa (IA) | Woodbury County | 51108 |
| Sioux City | Iowa (IA) | Woodbury County | 51109 |
| Sioux City | Iowa (IA) | Woodbury County | 51111 |
About Sioux City
Sioux City is a place in Woodbury County, Iowa (IA), United States. The data lists 9 post codes, led by 51101, in the 5 digits format.
This page contains 9 post code records and 9 distinct post codes. Every post code on this page maps to a single place.
Nearby places include South Sioux City, North Sioux City, Sergeant Bluff; the closest is South Sioux City, about 4 km away. Other places in Woodbury County include Anthon, Bronson, Climbing Hill.
Addresses usually include the place, county, state, post code, and country; the order varies by country, so confirm the local format before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Other places in Woodbury County
All →Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
What post code does Sioux City use?
51101, 51102, 51103, 51104, 51105, 51106, 51108, 51109, 51111
Which county is Sioux City in?
Woodbury County
Which state is Sioux City in?
Iowa (IA)
What is the post code format?
5 digits