Iowa ZIP codes
Main ZIP codes for the largest cities in Iowa. Format: 5-digit ZIP code (ZIP+4 optional).
Cities
| City | Code |
|---|---|
| Des Moines | 50309 |
| Cedar Rapids | 52401 |
| Davenport | 52801 |
| Iowa City | 52240 |
| Sioux City | 51101 |
Large cities have many codes; the code shown is the main/central one. All states & countries →