Area code 239 is a telephone area code in the North American Numbering Plan (NANP) for a large part of Southwestern Florida. The numbering plan area includes Lee and Collier counties, small parts of Hendry and Charlotte counties and the Everglades National Park in Mainland Monroe County. The area code was created on March 11, 2002,[1] in an area code split in which the southern half of area code 941, from North Fort Myers, was renumbered with 239. A permissive dialing period ended on March 10, 2003.