There is also another type of postal code, the ZIP + 4 code. According to unitedstateszipcodes.org, the ZIP + 4 was established in 1983 and identifies an even more specific location within a ZIP code.

A postal code is a five digit code used to deliver mail and packages. There is also another type of postal code, the ZIP + 4 code. According to unitedstateszipcodes.org, the ZIP + 4 was established in ...

Postal code today: How to find my postal code? The six-digit code in use today consists of two parts. The first two digits are the sector codes, taken from the last two digits of the old four-digit ...

They tend to work in manufacturing, the trades, sales and service, and are focused on their children’s education. Find out which category your postal code puts you in here.