Actually 37, but your point still stands.Numbers aren't retired, no? Just hung up? There's only 31 possible numbers.
0-5 = 6
10-15 = 6
20-25 = 6
30-35 = 6
40-45 = 6
50-55 = 6
and 00
That's 37.
I guess I should have read further. For some reason I thought I was at the end of the thread.