About ZIP code 21220
The ZIP code 21220 routes mail to Middle River in the Maryland region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
21220 - Middle River
ZIP code 21220 is Middle River in Maryland, United States.
| ZIP code | 21220 |
| Place | Middle River |
| Region | Maryland |
| District | Baltimore |
| Country | United States (US) |
| Coordinates | 39.3401, -76.4153 (map) |