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 — ZIP/80402

80402

ZIP 80402 is in Golden, Colorado, in Jefferson County; area codes 303, 720 and 983; Mountain time. Golden has 4 ZIP codes; the others are 80401, 80403 and 80419.

Type
No street area
Time zone
America/Denver
County
Jefferson
Coordinates
39.7555, -105.2211

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 80401, whose figures describe that area — not this ZIP code.

☼ Live from 80402 — Golden, CO

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Where 80402 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 80402
  • 🔢 Type 80402 into a pocket calculator and turn it upside down: ZOhOB — not quite a word, sorry.
  • ➕ As a number, 80,402 = 2 × 7 × 5743. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101000010010
  • 🏠 Its numerical neighbours: 80401 (Golden, CO, 3 mi away) and 80403 (Golden, CO, 7 mi away).
  • 🔄 Backwards, 80402 becomes 20408 — and that is a real ZIP code: Washington, DC, 1,502 miles away.
  • 👥 24 other ZIP codes are made of exactly the same digits (00824, 02048, 02804, 02840, 04028, 04082, …). The farthest-flung twin is 00824 in Christiansted, VI, 2,853 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther west than 83%.
  • 🎯353 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80402 and you would come out at 39.76°S, 74.78°E — 699 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
🌙 The sky over 80402 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments15This ZIP15
Employees56This ZIP56
Annual payroll$3,139,000This ZIP$3,139,000

Land area

ZIP codes near 80402

ZIPCityDistance
80419 Golden, CO 2.1 mi
80401 Golden, CO 2.6 mi
80228 Denver, CO 4.9 mi
80215 Denver, CO 5.6 mi
80033 Wheat Ridge, CO 6.3 mi
80453 Idledale, CO 6.4 mi
80002 Arvada, CO 6.5 mi
80004 Arvada, CO 6.6 mi
80225 Denver, CO 6.7 mi
80403 Golden, CO 7.2 mi

Find every ZIP code within 10 miles of 80402 →

Questions about this ZIP code

Where is ZIP code 80402?

80402 is in Golden, Colorado, in Jefferson County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.7555, -105.2211.

What county is 80402 in?

80402 lies in Jefferson County.

What area code is 80402?

Golden uses area codes 303, 720 and 983, from NANPA's telephone records.

What time zone is 80402 in?

80402 uses America/Denver.

What ZIP codes are near 80402?

The closest are 80419 (2.1 mi), 80401 (2.6 mi), 80228 (4.9 mi), 80215 (5.6 mi) and 80033 (6.3 mi).

Is 80402 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “80402 ZIP Code — Golden, Colorado (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80402

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/80402.json

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