美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Towson | 21285 |
| MD | Towson | 21286 |
| MD | Baltimore | 21287 |
| MD | Baltimore | 21288 |
| MD | Baltimore | 21289 |
| MD | Baltimore | 21290 |
| MD | Baltimore | 21297 |
| MD | Baltimore | 21298 |
| MD | Annapolis | 21401 |
| MD | Annapolis | 21402 |
| MD | Annapolis | 21403 |
| MD | Annapolis | 21404 |
| MD | Annapolis | 21405 |
| MD | Annapolis | 21409 |
| MD | Annapolis | 21411 |
| MD | Annapolis | 21412 |
| MD | Cumberland | 21501 |
| MD | Cumberland | 21502 |
| MD | Cumberland | 21503 |
| MD | Cumberland | 21504 |