what county is saint leonard md
Key Zip or Address or click on the map. This page shows a Google Map with an overlay of Zip Codes for St. Leonard, Calvert County, Maryland. Users can easily view the boundaries of each Zip Code. St. Leonard, Calvert County, Maryland Zip Code Map Boundary Version 3.0 Copyright Â© 1996-2017 USNaviguide LLC. All rights reserved.