Zip Code 78747 is located in Southeast Austin area near Interstate 35 and Highway 45. Search Texas homes for sale in the 78747 zip code area. Find information on the community and real estate services available to home buyers and sellers in the Austin, TX 78747 area. Search 78747 real estate listings and view homes for sale in 78747, a zip code in Southeast Austin, Austin, Texas. Receive alerts as new 78747 real estate listings become available.