Area Code 409 History:
Area code 409 was put into service. Area code 409 was created from a split of area code 713. In 2000 area code 409 was split to form area codes 936 and 979.
Counties in Texas within area code 409 include:
Chambers County, Galveston County, Hardin County, Jasper County, Jefferson County, Newton County, Orange County, Sabine County, and Tyler County.
Major cities or places in Texas within area code 409 include:
Area code 409 serves an area of southeast Texas in the Galveston and Beaumont areas, including the larger cities and communities of Beaumont, Galveston, Port Arthur, and Texas City in addition to many smaller communities.