ZIP Code 21555 – Oldtown, Maryland
The 21555 ZIP Code belongs to Oldtown, Maryland. The population in this 21555 ZIP code is 1,577. The latitude is 39.58777 and longitude is -78.55685 in 21555 Oldtown, Maryland. The time zone for this 21555 ZIP code is America/New_York.
| City | Oldtown |
| Zip Code | 21555 |
| State | Maryland |
| County | Allegany |
| Population | 1,577 |
| Latitude | 39.58777 |
| Longitude | -78.55685 |
| Time Zone | America/New_York |