The House passed two bills Monday night that would authorize the U.S. Postal Service to create 76 new ZIP codes for communities nationwide.  These ...

50 years ago, the U.S. Postal Service introduced the zip code system to more efficiently and accurately deliver mail. But not everyone was excited about the idea.

Green officials say the current system, which splits the city between multiple postal codes, creates tax collection problems ...

ZIP codes are a big reason our postal system works today, but it took years and a cartoon for the system to actually be adopted. Where did the coding system come from and why was it introduced ...

Wednesday marks the 52nd birthday of the introduction of ZIP codes in the US. Though the explosion of business mail is mostly responsible for the Zoning Improvement Plan (ZIP), the idea started ...

The USPS has nearly 42,000 ZIP codes. The ZIP code system went into effect in 1963. The easternmost ZIP codes in New England start with a 0.

The ZIP code system was introduced in the U.S. in 1963, and while they're most commonly known for helping with mail deliveries, codes also help with emergency response planning, economic ...