美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Chase | 21027 |
| MD | Churchville | 21028 |
| MD | Clarksville | 21029 |
| MD | Cockeysville | 21030 |
| MD | Hunt Valley | 21031 |
| MD | Crownsville | 21032 |
| MD | Darlington | 21034 |
| MD | Davidsonville | 21035 |
| MD | Dayton | 21036 |
| MD | Edgewater | 21037 |
| MD | Edgewood | 21040 |
| MD | Ellicott City | 21041 |
| MD | Ellicott City | 21042 |
| MD | Ellicott City | 21043 |
| MD | Columbia | 21044 |
| MD | Columbia | 21045 |
| MD | Columbia | 21046 |
| MD | Fallston | 21047 |
| MD | Finksburg | 21048 |
| MD | Forest Hill | 21050 |