Area code 239 is a telephone area code in the North American Numbering Plan (NANP) for a part of Southwestern Florida. The numbering plan area (NPA) 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 activated for service on March 11, 2002,[1] in an area code split in which the southern half of NPA 941, from North Fort Myers, was renumbered with 239. A permissive dialing period ended on March 10, 2003.
- ^ "Planning Letter PL-307: 941 NPA Split, Creating 239 NPA (Southwest Florida)" (PDF). North American Numbering Plan Administration. 2001-10-26. Retrieved 2023-09-15.