美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Fork | 21051 |
| MD | Fort Howard | 21052 |
| MD | Freeland | 21053 |
| MD | Gambrills | 21054 |
| MD | Gibson Island | 21056 |
| MD | Glen Arm | 21057 |
| MD | Glen Burnie | 21060 |
| MD | Glen Burnie | 21061 |
| MD | Glen Burnie | 21062 |
| MD | Hunt Valley | 21065 |
| MD | Glyndon | 21071 |
| MD | Hampstead | 21074 |
| MD | Elkridge | 21075 |
| MD | Hanover | 21076 |
| MD | Harmans | 21077 |
| MD | Havre De Grace | 21078 |
| MD | Hydes | 21082 |
| MD | Jarrettsville | 21084 |
| MD | Joppa | 21085 |
| MD | Kingsville | 21087 |