Area Code 440 History:
Area code 440 was put into service. Area code 440 was created from a split of area code 216.
Counties in Ohio within area code 440 include:
Ashtabula County, Cuyahoga County, Erie County, Geauga County, Huron County, Lake County, Lorain County, and Trumbull County.
Major cities or places in Ohio within area code 440 include:
Area code 440 serves northeastern Ohio including the larger cities and communities of Ashtabula, Eastlake, Elyria, Lorain, Mentor, North Olmsted, North Ridgeville, North Royalton, Parma, Parma Heights, Rocky River, Solon, Strongsville, Westlake, and Willoughby in addition to many smaller communities.