Area Code	Color	Cities Within That Area Code
216		Beachwood, Cleveland, Euclid, Independence, Lakewood, Shaker Heights
330		Akron, Aurora, Brunswick, Canton, East Liverpool, Kent, Medina, Millersburg, New Philadelphia, Northfield, Warren, Wooster, Youngstown
419		Bowling Green, Defiance, Findlay, Holland, Lima, Mansfield, Maumee, Sandusky, Sylvania, Toledo
440		Ashtabula, Bedford, Berea, Chagrin Falls, Elyria, Lorain, Mayfield Hts., Mentor, North Olmsted, (most of) Parma, Strongsville, Vermilion
513		Cherry Grove, Cincinnati, Fairhaven, Fayetteville, Glendale, Groesbeck, Hamilton, Loveland, Madison Place, Mason, Middletown, Montgomery, Northside, Norwood, Oxford, Price Hill, Rossmoyne, Utopia
614		Canal Winchester, Columbus, Gahanna, Grove City, Harrisburg, Hilliard, Jersey, Lockbourne, New Albany, Plain City, Reynoldsburg, West Jefferson, Westerville, Worthington
740		Ashville, Athens, Bainbridge, Baltimore, Carroll, Chillicothe, Condit, Delaware, Jelloway, Johnstown, Knockemstiff, Lancaster, London, Marietta, Marion, Mt. Sterling, Mt. Vernon, Nevada, Newark, Pleasant View, Portsmouth, Rathbone, St. Clairsville, Steubenville, Sunbury, Uhrichsville, Washington Court House, Zanesville
937		Bardwell, Beavercreek, Bellefontaine, Blanchester, Camden, Centerville, Dayton, Fairborn, Greenfield, Higginsport, Hillsboro, Miamisburg, Springfield, Wilmington, Xenia