ZIP Code 21057 – Glen Arm, Maryland
The 21057 ZIP Code belongs to Glen Arm, Maryland. The population in this 21057 ZIP code is 4,463. The latitude is 39.45111 and longitude is -76.50606 in 21057 Glen Arm, Maryland. The time zone for this 21057 ZIP code is America/New_York.
| City | Glen Arm |
| Zip Code | 21057 |
| State | Maryland |
| County | Baltimore |
| Population | 4,463 |
| Latitude | 39.45111 |
| Longitude | -76.50606 |
| Time Zone | America/New_York |