美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Glenwood | 21738 |
| MD | Hagerstown | 21740 |
| MD | Hagerstown | 21741 |
| MD | Hagerstown | 21742 |
| MD | Hagerstown | 21746 |
| MD | Hagerstown | 21747 |
| MD | Hagerstown | 21748 |
| MD | Hagerstown | 21749 |
| MD | Hancock | 21750 |
| MD | Ijamsville | 21754 |
| MD | Jefferson | 21755 |
| MD | Keedysville | 21756 |
| MD | Keymar | 21757 |
| MD | Knoxville | 21758 |
| MD | Ladiesburg | 21759 |
| MD | Libertytown | 21762 |
| MD | Lisbon | 21765 |
| MD | Little Orleans | 21766 |
| MD | Maugansville | 21767 |
| MD | Middletown | 21769 |