A postal code is a five digit code used to help postal services deliver mail and packages. Here's what the numbers mean and how they determine yours.

A letter without a ZIP code may not reach its intended destination. That is because of the way addresses are read by automated postal systems.

ZIP codes in uptown Charlotte saw the most business address changes since 2020, according to USPS data.

UPDATE 3/15 6:30AM:A spokesperson for the USPS confirms that service will resume for zip codes that begin with 120, 121, 122, 123.Public Affairs spokesperson Maureen Marion also says post offices ...

The additional ZIP code will give the postal service the capacity to add new delivery routes and individual new addresses along routes.

Vanity ZIP codes could be a gold mine for the United States Postal Service. Just days after upscale department store Sakes Fifth Avenue convinced the USPS to give it a vanity ZIP code for its shoe ...

The U.S. Postal Service was sharing the postal addresses of its online customers with advertising and tech giants Meta, LinkedIn and Snap, TechCrunch has found.

The United States Postal Service informed Kinnelon officials it needs even more time to review their appeal for a unique ZIP code.