My zip code by address

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The zip code (Zone Improvement Plan) in US consists of 5 numbers, and helps to identify an address. e.g. 22314

The postal code is used together with the address, for the efficient sending of letters and parcels.

The digits of the ZIP Code is allocated as follows:

The first number is for the state: e.g. 2 is for Virginia and some other States.

The second and third digits together representing a region

The fourth and fifth digits represent the area of the city (if in a metropolitan area), or a village/town.

The fourth and fifth digits represent the area of the city (if in a metropolitan area), or a village/town.

e.g. 47722 (4=Indiana, 77=Vanderburgh County, 22=University of Evansville area)