what are ZIP codes for?

Philippines
November 10, 2006 2:34am CST
do you know why we need to use ZIP codes in our mails?
1 response
@hexhate (366)
• Italy
10 Nov 06
For postal employees with the ZIP code is more simply to divide the mail for areas.
• Philippines
11 Nov 06
i've read somewhere that using a ZIP code makes sorting of mails a lot faster and more efficiently. thanks for replying.