The postal code or ZIP code 51111 has Sioux City as common cities which are accepted by the US Post Office for this ZIP Code. The ZIP code may be located out ot the preferred city. Post office name is usually the city name for 51111. You are advised to add your ZIP code preffered or acceptable cities for mailing a letter etc. If you use an unacceptable city for your mailing you will end up getting delays.
Primary / Preferred City: Sioux City, IA
Extra Details of ZIP Code 51111
| ZIP Code | 51111 |
|---|---|
| Type | Standard |
| Common Cities | Sioux City |
| Country | Woodbury County |
| Area Code (s) | 712 |
| Population | 94 |
| Population Density | 14 people per sq mi |
| Housing Units | 56 |
| Median Home Value | $0 |
| Land Area | 6.68 sq mi |
| Water Area | 0.27 sq mi |
| Occupied Housing Units | 44 |
| Median Household Income | $68,750 |
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