look up any word, like rusty trombone:
ZIP Code for part of Austin, TX - south central, more or less. Often seen on bumper stickers claiming that it's more than a ZIP Code. I've yet to see how.
"I live in 78704."

"Wow, you must be a really unique individual."

"Yeah, that's why I have the same corny bumper sticker that everyone else around here has."
by mosthorrorshow January 25, 2008
20 5
The zip code for part of Downtown Austin, TX which contains 6th Street and UT.
"78704 it's not just a zip code it's a way of life"
by JaEz August 15, 2007
5 41