The state of Kentucky is served by the following area codes:

270/364, which serve western Kentucky and the western half of South Central Kentucky
502, which serves the Louisville and Frankfort areas
606, which serves eastern Kentucky, including the Eastern Coalfield
859, which serves the Lexington area and Northern Kentucky

v t e Lists of area codes in the North American Numbering Plan
United States	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah U.S. Government Vermont Virginia Washington West Virginia Wisconsin Wyoming American Samoa Guam Northern Marianas Puerto Rico U.S. Virgin Islands
Other	Canada Caribbean
Former	Belize Costa Rica Cuba El Salvador Guatemala Haiti Honduras Mexico Nicaragua Panama