ZIP Code


Basic information
Postal code used by the United States Postal Service (USPS). Specifies an individual destination post office or mail delivery area.
Designates a collection of delivery routes used by mail carriers and areas serviced by the USPS.
ZIP is an acronym for Zone Improvement Plan
The basic 5-digit format was first introduced in 1963 and later extended to add an additional 4 digits, to designated a more specific location (1983). Their use wasn’t mandatory.
The first digit of a USA ZIP code generally represents a group of U.S. states
They are assigned in order from the north east to the west coast.
Originally registered as a service mark by the USPS; its registration expired in 1997
As of October 2019, there are 41,702 ZIP Codes in the United States.
The ZIP Code is often translated into an Intelligent Mail barcode that is printed on the mailpiece

- 6 days from now, August 18, 2025, ZIP Code celebrate 101st Venus age
- 8 days from now, August 20, 2025, ZIP Code celebrate 258th Mercury age
- 96 days from now, November 16, 2025, ZIP Code celebrate 259th Mercury age
- 141 days from now, December 30, 2025, ZIP Code celebrate 63rd half birthday
- 142 days from now, January 1, 2026, ZIP Code celebrate exactly 750 months
- 184 days from now, February 12, 2026, ZIP Code celebrate 260th Mercury age
- 228 days from now, March 28, 2026, ZIP Code celebrate exactly 33,000,000 minutes
228 days from now, March 28, 2026, ZIP Code celebrate exactly 550,000 hours - 231 days from now, March 31, 2026, ZIP Code celebrate 102nd Venus age
- 271 days from now, May 11, 2026, ZIP Code celebrate 261st Mercury age
- 312 days from now, June 20, 2026, ZIP Code celebrate exactly 23,000 days