The caller ID shows:  UNKNOWN.  Who or whatever never leaves a message.  If I pick up never says anything.  IRRITATING!!!

call multiple times per day. The guy plays and hang up.

called and hung up - number's busy whenever i call back

My parents call me from South Korea sometimes...and this is the number showing.....i think it's just some sort of a "routing" number when people calls you from outside canada

this is a number give by internet phone when you use gmail call phone