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/820

ZIP codes starting with 820

ZIP codes
28
States
WY
Largest city
Cheyenne, WY
Population
139,320

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 820xx

ZIP codes starting with 820
ZIP City Type Population Median income Median home
82001 Cheyenne , WY Standard 38,168 $75,362 $316,500
82002 Cheyenne , WY No street area — — —
82003 Cheyenne , WY No street area — — —
82005 Fe Warren Afb , WY Standard 454 — —
82006 Cheyenne , WY No street area — — —
82007 Cheyenne , WY Standard 21,704 $58,745 $234,200
82008 Cheyenne , WY No street area — — —
82009 Cheyenne , WY Standard 35,081 $103,835 $450,600
82010 Cheyenne , WY No street area — — —
82050 Albin , WY Standard 302 — $163,300
82051 Bosler , WY Standard 50 — —
82052 Buford , WY Standard 0 — —
82053 Burns , WY Standard 1,656 $115,486 $260,000
82054 Carpenter , WY Standard 870 $52,981 $567,300
82055 Centennial , WY Standard 521 $110,579 $288,600
82058 Garrett , WY Standard 27 — —
82059 Granite Canon , WY Standard 397 $148,750 $470,700
82060 Hillsdale , WY Standard 540 — $468,300
82061 Horse Creek , WY Standard 0 — —
82063 Jelm , WY Standard 62 $105,208 $404,200
82070 Laramie , WY Standard 20,144 $69,095 $338,500
82071 Laramie , WY No street area — — —
82072 Laramie , WY Standard 16,931 $53,863 $324,100
82073 Laramie , WY Standard 37 — —
82081 Meriden , WY Standard 23 — —
82082 Pine Bluffs , WY Standard 1,891 $69,347 $354,000
82083 Rock River , WY Standard 288 $49,000 $125,500
82084 Tie Siding , WY Standard 174 — $581,100

Cite this page

zipcodes.pro. “ZIP codes starting with 820.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/820

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