Area Code 713 January 18, 2021 allcitycodes Telephone Codes 0 Where is area code 713 located? Below you will find a list of all cities covered by area code 713 in Texas. Alief, TX Barker, TX Bellaire, TX Galena Park, TX Hufsmith, TX North Houston, TX Pasadena, TX South Houston, TX Related Posts Maryland Area Codes Area Code 847 Montana Area Codes Slovakia Area Code Area Code 623 Belarus Area Code Area Code 319 Democratic Republic of the Congo Area Code