ZIP Code is also known as Zone Improvement Plan Code. ZIP Code lookup is basically for the purpose of distinguishing the addresses and dispatching the mails to their exact destination. Originally ZIP Code was of five digits but has been expanded to nine digits. An absolute ZIP Code comprises of two parts. First five digits specify the delivery location. The rest four digits indicate detailed delivery directions around that specific location. What is Postal Code? Just like ZIP Codes, Postal Code is also a several digit code or letters which help the postal departments whose purpose is to identify to which location a…