"...or, press the star key to the left of the zero"
Out of the blue, that struck me as odd. ...to the left of the...., I puzzled.
I guess that you could say the pound/hash/number sign looks like a star pattern. Might be cultural differences: I don't know for certain. A bilingual government sometimes does strange things.
For you trivia buffs: it has many different names, including Octothorpe