The Zone Improvement Program (ZIP) code is used to demarcate and improve a particular area,
Jesus Christ is the only Person by which the Zest of our lives can be Increased. Jesus said, I have come to give life and to give it more abundantly, i.e., the zest of our lives will be increased when we accept and believe in Jesus Christ. In other words, Jesus Christ is the Zest (Life) Increasing Person (Z.I.P).
John 10:10 (KJV)
10 The thief cometh not, but for to steal, and to kill, and to destroy: I am come that they might have life, and that they might have it more abundantly.