Japanese is a language well-suited to word play, and a good example of this is telephone number mnemonics. English mnemonics must be based on the fact that both letters and numbers appear on the dial, but Japanese can use the numbers themselves.
Cohen, A. Martin
"Japanese Number Puns,"
Word Ways: Vol. 9
, Article 7.
Available at: http://digitalcommons.butler.edu/wordways/vol9/iss1/7