About ZIP code 21228
The ZIP code 21228 routes mail to Catonsville 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
21228 - Catonsville
ZIP code 21228 is Catonsville in Maryland, United States.
| ZIP code | 21228 |
| Place | Catonsville |
| Region | Maryland |
| District | Baltimore |
| Country | United States (US) |
| Coordinates | 39.2782, -76.7401 (map) |