 Area code 440 was formed by a three-way split of Area code 216, one of the original North American Numbering Plan codes.Area code 330 was created in 1996 from the southern part of 216 and 440 was added the following year to keep up with the increasing number of cellular phones, as well as population factors.Area code 440 serves most of the southern, western, and eastern suburbs of Cleveland, including the larger cities and communities of Ashtabula, Eastlake, Elyria, Lorain, Mentor, North Olmsted, North Ridgeville, North Royalton, Parma, Solon, Strongsville, Westlake and Willoughby.