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
Half birthday 
Next half birthday falls on
Age in different time units
Planet Age
How old ZIP Code would be if it was started on a different planet
- 11 days from now, June 20, 2026, ZIP Code celebrate exactly 23,000 days
- 22 days from now, July 1, 2026, ZIP Code celebrate 63rd birthday
- 58 days from now, August 7, 2026, ZIP Code celebrate 262nd Mercury age
- 111 days from now, September 28, 2026, ZIP Code celebrate exactly 3,300 weeks
- 145 days from now, November 1, 2026, ZIP Code celebrate exactly 760 months
- 146 days from now, November 2, 2026, ZIP Code celebrate 263rd Mercury age
- 155 days from now, November 11, 2026, ZIP Code celebrate 103rd Venus age
- 159 days from now, November 15, 2026, ZIP Code celebrate exactly 2,000,000,000 seconds
- 205 days from now, December 30, 2026, ZIP Code celebrate 64th half birthday
- 234 days from now, January 29, 2027, ZIP Code celebrate 264th Mercury age