Port of Houston Authority Home / Port of Houston Authority Share: IMPORT/EXPORTIMPORT/EXPORTSECURITYSECURITYTRANSPORTATIONTRANSPORTATION Port of Houston Authority Visit Website P.O. Box 2562 Houston, TX 772522562 (713) 670-2400 (713) 670-2606 (713) 670-2425 (fax) Visit Our Website Map What's Nearby? Distance: 5 10 15 20 25 50 mi.