ZIP codes in Sioux City, Iowa
Sioux City has 9 ZIP codes in this directory. Each ZIP is listed with its county, population and time zone.
| ZIP | County | Population | Time zone |
|---|---|---|---|
| 51101 | Woodbury | 82,821 | America/Chicago |
| 51102 | Woodbury | 82,821 | America/Chicago |
| 51103 | Woodbury | 82,821 | America/Chicago |
| 51104 | Woodbury | 82,821 | America/Chicago |
| 51105 | Woodbury | 82,821 | America/Chicago |
| 51106 | Woodbury | 82,821 | America/Chicago |
| 51108 | Woodbury | 82,821 | America/Chicago |
| 51109 | Woodbury | 82,821 | America/Chicago |
| 51111 | Woodbury | 82,821 | America/Chicago |
About Sioux City ZIP codes
ZIP codes in Sioux City are part of the USPS delivery network for Iowa. The codes above are ordered numerically; each links to a page with coordinates, nearby ZIPs and more detail. Population shown is the estimated population of the city: 82,821.