美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Upper Fairmount | 21867 |
| MD | Vienna | 21869 |
| MD | Westover | 21871 |
| MD | Whaleyville | 21872 |
| MD | Willards | 21874 |
| MD | Delmar | 21875 |
| MD | Westover | 21890 |
| MD | North East | 21901 |
| MD | Perry Point | 21902 |
| MD | Perryville | 21903 |
| MD | Port Deposit | 21904 |
| MD | Rising Sun | 21911 |
| MD | Warwick | 21912 |
| MD | Cecilton | 21913 |
| MD | Charlestown | 21914 |
| MD | Chesapeake City | 21915 |
| MD | Childs | 21916 |
| MD | Colora | 21917 |
| MD | Conowingo | 21918 |
| MD | Earleville | 21919 |