Sudlersville is a town in the far Northeastern corner of Queen Anne's County, Maryland. The ZIP code is 21668 and the area code is 410. The population was 497 at the 2010 census. The town is relatively small with the distance between the Northern and Southern town limit signs being approximately 5,886 feet (1.11477 miles). It is perhaps best known as the hometown of Baseball Hall of Fame slugger Jimmie Foxx. Other famous residents include Astronomer and Mathematician Simon Newcomb.