ZIP Code 21655 – Preston, Maryland
The 21655 ZIP Code belongs to Preston, Maryland. The population in this 21655 ZIP code is 4,995. The latitude is 38.74601 and longitude is -75.92103 in 21655 Preston, Maryland. The time zone for this 21655 ZIP code is America/New_York.
| City | Preston |
| Zip Code | 21655 |
| State | Maryland |
| County | Caroline |
| Population | 4,995 |
| Latitude | 38.74601 |
| Longitude | -75.92103 |
| Time Zone | America/New_York |