Catonsville, MD
ZIP Codes in Catonsville, Maryland
January 10, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 21228 | 50,268 | 39.2729, -76.7477 |
Catonsville has 1 ZIP code
ZIP Codes in Catonsville, Maryland
January 10, 2026
| ZIP Code | Population | Coordinates |
|---|---|---|
| 21228 | 50,268 | 39.2729, -76.7477 |