Many businesses market their telephone numbers with a catchy phrase so you'll always remember it.

Example: 1-800-IFORGOT

With Yahoo! Phone Out, just dial the corresponding letters for the number you want to call, and we will connect you. To dial a letter or vanity telephone number, you can enter the letters in the Contact Search Bar located above your Yahoo! Messenger List. You can also click the dialpad button located to the right of the Contact Search Bar, then click the numbers that correspond to the letters.