Originally Posted by
cat0
Just wanted to add my experience at SFO today. Walk in, appointment isn't until July 24 but I need to fly unexpectedly. Arrived at ~5:45AM to a closed office. CBP officer opened up shop at ~6AM and gave me a signup sheet. He processed one person with an appointment, then called me in. I was done by 6:15AM. Not bad!
Welcome to FT. Thank you for sharing. I have edited wiki for you.
I thought SFO office is open 24/7 until 21 Aug 2016?