78669 can be classified socioeconically as a Middle Class class zipcode in comparison to other zipcodes in Texas. Zip code 78669 is within area code 830 and area code 512. Portions of zip code 78669 are contained within or border the city limits of Briarcliff, TX, Lakeway, TX. The official US Postal Service name for 78669 is SPICEWOOD, Texas. Portions of 78669 are also located in Burnet County. Zip code 78669 is primarily located in Travis County. Zip Code 78669 is located in the state of Texas in the Austin metro area.