Sandusky Ohio Zip Code Map Ohio 3 digit zip code areas State Library of Ohio Digital Miami County Area Code, Ohio | Miami County Area Code Map Sandusky County, Ohio Zip Code Map: Includes Washington, York Sandusky County, Ohio Zip Code Map: Includes Washington, York Erie County, Ohio Zip Code Map: Includes Berlin, Florence, Groton TITLE_IMG7 TITLE_IMG8 TITLE_IMG9