About 346:
Area code 346 was first put in service July 1, 2014. Currently, the largest city it serves is Houston, TX, and it overlaps coverage areas with area codes 281, 713, and 832.
Related Cities:
Area code 346, along with area codes 832, 713 and 281, serve Houston and many surrounding suburbs and cities including the larger cities and communities of Alvin, Atascocita, Baytown, Channelview, Cloverleaf, Deer Park, Friendswood, Houston, La Porte, League City, Missouri City, Pasadena, Pearland, Rosenberg, Spring, Sugar Land, and The Woodlands.