Preston, MD Zip Code
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ZIP code: 21655
Area code(s): 410
Elevation: 46m (151ft)
Postcode area of Preston is 21655.
Area code(s) of Preston is 410.
Preston has 46m (151ft) altitude.
The coordinates of Preston are: 38.71083 lat, -75.90833 lng.
Preston belongs to Caroline County.