I applied online. The process took 4 weeks. I interviewed at US Postal Service (San Francisco, CA) in Mar 2014
Interview
I applied the application on Feb 2014. Took the 473 exam same month, and got a 83.1 (should be higher since running out of time). Completed GIS background check online and had an interview last week. My application status says pre-screening. Hope to hear back from USPS soon.