ZIP codes are five-digit numbers, such as the famous 90210. Why credit card postal codes and ZIP codes matter Your postal code or ZIP code acts as a security measure.

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.

Why are zip codes and postal codes important when it comes to credit card transactions and when do they overlap for Canadian credit card users?

Estero ZIP code postal flap The U.S. Postal Service will allow all residents of Estero to use the village as a mailing address, even if their ZIP code comes back as a Fort Myers or Bonita address.

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

Some residents in Northeast Arkansas’ largest city will soon see a new zip code, postal officials said in a letter Friday to residents.