ZIP Code 21791 – Union Bridge, Maryland
The 21791 ZIP Code belongs to Union Bridge, Maryland. The population in this 21791 ZIP code is 4,734. The latitude is 39.54267 and longitude is -77.18713 in 21791 Union Bridge, Maryland. The time zone for this 21791 ZIP code is America/New_York.
| City | Union Bridge |
| Zip Code | 21791 |
| State | Maryland |
| County | Frederick |
| Population | 4,734 |
| Latitude | 39.54267 |
| Longitude | -77.18713 |
| Time Zone | America/New_York |