美国邮政编码列表
| 州 | 城市 | 邮政编码 |
|---|---|---|
| MD | Essex | 21221 |
| MD | Dundalk | 21222 |
| MD | Baltimore | 21223 |
| MD | Baltimore | 21224 |
| MD | Brooklyn | 21225 |
| MD | Curtis Bay | 21226 |
| MD | Halethorpe | 21227 |
| MD | Catonsville | 21228 |
| MD | Baltimore | 21229 |
| MD | Baltimore | 21230 |
| MD | Baltimore | 21231 |
| MD | Baltimore | 21233 |
| MD | Parkville | 21234 |
| MD | Baltimore | 21235 |
| MD | Nottingham | 21236 |
| MD | Rosedale | 21237 |
| MD | Baltimore | 21239 |
| MD | Baltimore | 21240 |
| MD | Baltimore | 21241 |
| MD | Windsor Mill | 21244 |