美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| IA | Frederika | 50631 |
| IA | Garwin | 50632 |
| IA | Geneva | 50633 |
| IA | Gilbertville | 50634 |
| IA | Gladbrook | 50635 |
| IA | Greene | 50636 |
| IA | Grundy Center | 50638 |
| IA | Hazleton | 50641 |
| IA | Holland | 50642 |
| IA | Hudson | 50643 |
| IA | Independence | 50644 |
| IA | Ionia | 50645 |
| IA | Janesville | 50647 |
| IA | Jesup | 50648 |
| IA | Kesley | 50649 |
| IA | Lamont | 50650 |
| IA | La Porte City | 50651 |
| IA | Lincoln | 50652 |
| IA | Marble Rock | 50653 |
| IA | Masonville | 50654 |