美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Cumberland | 21505 |
| MD | Accident | 21520 |
| MD | Barton | 21521 |
| MD | Bittinger | 21522 |
| MD | Bloomington | 21523 |
| MD | Corriganville | 21524 |
| MD | Eckhart Mines | 21528 |
| MD | Ellerslie | 21529 |
| MD | Flintstone | 21530 |
| MD | Friendsville | 21531 |
| MD | Frostburg | 21532 |
| MD | Grantsville | 21536 |
| MD | Kitzmiller | 21538 |
| MD | Lonaconing | 21539 |
| MD | Luke | 21540 |
| MD | Mc Henry | 21541 |
| MD | Midland | 21542 |
| MD | Midlothian | 21543 |
| MD | Mount Savage | 21545 |
| MD | Oakland | 21550 |