„Zip Code“

(USA) A numerical code, established by the U.S. Postal Service, used for the purpose of routing mail and to identify delivery zones. Some foreign countries have a similar system. Carriers often apply this code in the same manner in the handling of freight and the determination of freight charges.

Source:

“Dictionary of International Trade: Handbook of the Global Trade Community.” 10th Edition. Edward G. Hinkelman. 2008. World Trade Press.