Postal Service through the years

Published On: Feb 06 2013 08:05:34 AM PST   Updated On: May 01 2013 09:35:15 AM PDT

Here is a collection of landmark moments in U.S. Postal Service history.

Postal Dates - Zip Codes
12 / 17

1963: Non-mandatory ZIP codes are announced for the entire country, and two-letter state abbreviations are introduced.

Advertisement

E-News Registration

newsletterimage

KXLY.com Email Newsletters

Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!

The KXLY.com Message Hub

KXLY.com has launched a new system which has been set up to make it much easier for you to manage all of your e-mail subscriptions.

Most Popular

Advertisement

Multimedia