"San Francisco" it is not. Which I guess is fine, but they make you pay up-front, so I found that a bit of cheek.
Admittedly it's only $2, but even on principle it's annoying. They should be much more transparent in the signup process. They even geolocate you, so they'd be aware you're out of their coverage zone.
Edit: This is the coverage map: https://www.evernote.com/l/ACu5gnYkvnNKq6r8MPguZAczRDuT1B7p6...