Z is for Zip Code. Zip Codes are used by the Post Office to deliver the mail more quickly. They were first used in 1963, and they were introduced by Mr. Zip. The Zip Codes for Winter Park are 32789 & 32792. Click here to see Mr. Zip Morse the Peacock says: "Please click the X in the Pop-Up Window to close it before going on to the next letter in the alphabet!" a b c d e f g h i j k l m n o p q r s t u v w x y z