a search for the US Postal Service online generated 27 results.
Hair band-related 27
Axl Rose was married to Erin Everly for 27 days.
13 Going on 30 27s
In the movie 13 Going on 30, Jenna's (Jennifer Garner's) friend says "If you're going to start lying about your age, I'd go with 27."
Also, the magazine she works for throws a party at 27 Wall Street.