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.

On July 1, 1963, the U.S. Post Office Department introduced the ZIP code program to get a handle on the heaping surplus of mail. Today, those five digits represent much more for American society.

On July 1, 1963, the U.S. Post Office Department introduced the ZIP code program to get a handle on the heaping surplus of mail. Today, those five digits represent much more for American society.

The Postal Service’s plans will delay a third of mail in 27 states, according to a Washington Post analysis, hitting states west of the Rocky Mountains especially hard.

The House passed two bills Monday night that would authorize the United States Postal Service to create 76 new ZIP codes for communities nationwide. These two bipartisan bills, led by ...

ZIP codes are five-digit numbers (sometimes nine) that identify geographic regions for delivering mail in the U.S., such as the famous 90210 in Beverly Hills, California. Postal codes in Canada ...

A slew of Broward County cities may soon be getting their own zip codes if a newly proposed bill in the U.S. House ultimately passes.

Complaints about slow mail are nothing new. But now, a new U.S. Postal Service tracker lets you see delivery statistics for yourself. The dashboard, one of the reforms included in the Postal ...