Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/825

ZIP codes starting with 825

ZIP codes
10
States
WY
Largest city
Riverton, WY
Population
38,348

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 825xx

ZIP codes starting with 825
ZIP City Type Population Median income Median home
82501 Riverton , WY Standard 19,413 $60,449 $237,800
82510 Arapahoe , WY Standard 875 $55,000 $162,500
82512 Crowheart , WY Standard 294 — —
82513 Dubois , WY Standard 1,627 $66,332 $382,600
82514 Fort Washakie , WY Standard 1,192 $31,667 $92,200
82515 Hudson , WY Standard 437 $53,000 $180,600
82516 Kinnear , WY Standard 299 $40,208 —
82520 Lander , WY Standard 13,266 $76,959 $337,700
82523 Pavillion , WY Standard 945 $57,188 $237,500
82524 Saint Stephens , WY No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 825.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/825

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