美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| IA | Duncombe | 50532 |
| IA | Eagle Grove | 50533 |
| IA | Early | 50535 |
| IA | Emmetsburg | 50536 |
| IA | Farnhamville | 50538 |
| IA | Fenton | 50539 |
| IA | Fonda | 50540 |
| IA | Gilmore City | 50541 |
| IA | Goldfield | 50542 |
| IA | Gowrie | 50543 |
| IA | Harcourt | 50544 |
| IA | Hardy | 50545 |
| IA | Havelock | 50546 |
| IA | Humboldt | 50548 |
| IA | Jolley | 50551 |
| IA | Knierim | 50552 |
| IA | Laurens | 50554 |
| IA | Ledyard | 50556 |
| IA | Lehigh | 50557 |
| IA | Livermore | 50558 |