It is important to understand that the 2-digit postal state abbreviation is designated only for the US postal service and is not required for other forms of identifying addresses. Businesses and other governmental services are not required to maintain their addressing systems in the same way.

If you have ever found yourself in a situation wherein you would like to send a package or a piece of mail to a certain location in the United States, but you don’t know the ZIP code required to get that mail there safely, you aren’t alone.

It’s quite easy to find and use a ZIP code directory yourself today. Since the ZIP codes themselves were designed to be used by the USPS, one of the first places you should look is the USPS website.

Are you looking to find a zip code by address? Online tools available through USPS make it very easy to find a zip code by address.

Whether you’re looking up a property that you need to visit or contact, or you’re simply trying to figure out where your friend’s home is located, you may have used a US postal ZIP code list before to help you get a better idea of locations.