美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Baltimore | 21201 |
| MD | Baltimore | 21202 |
| MD | Baltimore | 21203 |
| MD | Towson | 21204 |
| MD | Baltimore | 21205 |
| MD | Baltimore | 21206 |
| MD | Gwynn Oak | 21207 |
| MD | Pikesville | 21208 |
| MD | Baltimore | 21209 |
| MD | Baltimore | 21210 |
| MD | Baltimore | 21211 |
| MD | Baltimore | 21212 |
| MD | Baltimore | 21213 |
| MD | Baltimore | 21214 |
| MD | Baltimore | 21215 |
| MD | Baltimore | 21216 |
| MD | Baltimore | 21217 |
| MD | Baltimore | 21218 |
| MD | Sparrows Point | 21219 |
| MD | Middle River | 21220 |