what is 346 area code

The 346 area code serves Houston, Texas, and its surrounding areas. It is an overlay for area code 713 and covers cities such as Atascocita, Baytown, League City, and Missouri City. The area code was added on July 1, 2014, to accommodate the increasing demand for telephone numbers in the region. The 346 area code can be found in cities like Houston, Huffman, La Porte, and Sugar Land. It is part of the North American Numbering Plan (NANP) and forms an overlay complex for the Houston area.