24, but I guessed on a few...
I actually knew the matches one, I knew a guy that used to keep track of how much he smoked by how many matches he had left. 20 cigarettes in a pack also.
For the phone letters, I remember as a kid our phone number was written on the side of the trucks as letters for the first two digits. AX-7 (297)
I might of got the FM dial wrong, but I read some of the posts before I took the test. Guessed wrong on the soup label.