21738
Glenwood, Howard - United States
Postal code 21738 corresponds to Glenwood, Howard, in Maryland (United States).
- Country
- United States (US)
- Department
- Maryland
- Municipality
- Howard
- Coordinates
- 39.2795, -77.0148Degrees, minutes, seconds: 39°16'46"N 77°00'53"W
- Time zone
- America/New_York (UTC-5)
- Dialing code
- +1
How to write the address
Glenwood, Maryland 21738 United States
Nearby codes