Preston is a city in Maryland. So far we have accumulated 0 streets in Preston and on these streets we have added 0 real estate properties.
- Federal District
Preston is a town in Caroline County, Maryland. The population was 719 at the 2010 United States Census. The ZIP code is 21655. The primary phone exchange is 673 and the area code is 410. Preston is home to the Linchester Mill, c. 1682. During the Revolutionary War it supplied grain to George Washington's troops. It was listed on the National Register of Historic Places in 2009 along with the Jacob and Hannah Leverton House.