ZIP codes starting with 511
Where is ZIP code prefix 511?
Sioux City, Iowa
9 active ZIP codes, from 51101 to 51111
| ZIP code | City | County | Type | Population |
|---|---|---|---|---|
| 51101 | Sioux City, IA | Woodbury County | Standard | 1,031 |
| 51102 | Sioux City, IA | Woodbury County | PO Box only | – |
| 51103 | Sioux City, IA | Woodbury County | Standard | 16,895 |
| 51104 | Sioux City, IA | Woodbury County | Standard | 23,197 |
| 51105 | Sioux City, IA | Woodbury County | Standard | 10,415 |
| 51106 | Sioux City, IA | Woodbury County | Standard | 28,592 |
| 51108 | Sioux City, IA | Woodbury County | Standard | 5,960 |
| 51109 | Sioux City, IA | Woodbury County | Standard | 3,606 |
| 51111 | Sioux City, IA | Woodbury County | Standard | 39 |
States
Questions
- Where are ZIP codes starting with 511?
- ZIP codes that start with 511 are in Iowa, mainly Sioux City.
- How many ZIP codes start with 511?
- 9 active ZIP codes start with 511.