Just run a scan of all NNNN.ca domains – that is the 4 number Canadian domains. Guess how many are available?
Well, most of them, 9411 out of 10000 are unregistered. So it will take some time till these are gone, but there are also some nice numeric domains to buy, like triple zeros:
Not much point in registering these though, the reseller value won’t rise for years.
NNNNN.com’s on the other hand are running out