From a commercial I cannot forget:

8-0-0-3-2-5-3-5-3-5

From a poem by Charles Reznikoff:

Of course we all must die
How else will the world be rid of all those phone numbers
We cannot forget
Numbers it would do no good to call anyway.

--Charlie Baum (whose first cousin is responsible for "plop-plop, fizz-fizz")