Area code 409

area code in southeast Texas, United States

Area code 409 is a telephone area code in the North American Numbering Plan. It covers the southeastern part of Texas, including cities like Beaumont, Galveston, and Port Arthur. Area code 409 was created in 1983 when it was split from area code 713. It originally covered a much larger region but was split in 2000 to create area codes 936 and 979.