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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/80403

80403

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

Type
Standard
Time zone
America/Denver
County
Jefferson +2 more
Population
20,732
Coordinates
39.8288, -105.3169
☼ Live from 80403 — Golden, CO

Weather right now

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Local time: —

Where 80403 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 80403
  • 🔢 Type 80403 into a pocket calculator and turn it upside down: EOhOB — not quite a word, sorry.
  • ➕ As a number, 80,403 = 3 × 26801. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011101000010011
  • 🏠 Its numerical neighbours: 80402 (Golden, CO, 7 mi away) and 80419 (Golden, CO, 9 mi away).
  • 🔄 Backwards, 80403 becomes 30408, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (03048, 03084, 03804, 03840, 04038, 04083, …). The farthest-flung twin is 34008 in APO AA, a military post office, 2,625 miles away.
  • 🧭 Farther north than 55% of all ZIP codes, and farther west than 83%.
  • 🎯357 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80403 and you would come out at 39.83°S, 74.68°E — 693 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 21m.
  • 📏 At 142.0 square miles of land, 80403 is bigger than 85% of ZIP codes — room for about 108 Central Parks.
🌙 The sky over 80403 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population20,732This ZIP20,732
Households8,490This ZIP8,490
Housing units8,854This ZIP8,854
Median age45.6This ZIP45.6Colorado37.7US 38.9
Median household income$151,276This ZIP$151,276Colorado$95,470US $80,734
Median home value$838,000This ZIP$838,000Colorado$539,400US $332,700
Median gross rent$2,444This ZIP$2,444Colorado$1,761US $1,413
Bachelor's degree or higher67.7%This ZIP67.7%
Mean commute29.1 minThis ZIP29.1 min
Population density146.0 / sq miThis ZIP146.0 / sq mi

Business and tax activity

Business establishments661This ZIP661
Employees7,955This ZIP7,955
Annual payroll$622,538,000This ZIP$622,538,000
Tax returns filed10,690This ZIP10,690
Total adjusted gross income$1,824,823,000This ZIP$1,824,823,000

Land area

Land area141.96 sq miThis ZIP141.96 sq mi
Water area0.65 sq miThis ZIP0.65 sq mi

Counties 80403 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Jefferson County 82.1%
Gilpin County 12.5%
Boulder County 5.5%

Other place names in 80403

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 80403

ZIPCityDistance
80025 Eldorado Springs, CO 6.7 mi
80007 Arvada, CO 6.9 mi
80402 Golden, CO 7.2 mi
80401 Golden, CO 8.7 mi
80471 Pinecliffe, CO 9.2 mi
80419 Golden, CO 9.2 mi
80005 Arvada, CO 10.0 mi
80004 Arvada, CO 10.4 mi
80305 Boulder, CO 10.9 mi
80427 Central City, CO 11.3 mi

Find every ZIP code within 10 miles of 80403 →

Questions about this ZIP code

Where is ZIP code 80403?

80403 is in Golden, Colorado, in Jefferson County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.8288, -105.3169.

What county is 80403 in?

80403 spans 3 counties: Jefferson County, Gilpin County and Boulder County. Most of it falls in Jefferson County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 80403?

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

What time zone is 80403 in?

80403 uses America/Denver.

How many people live in 80403?

About 20,732 people live in ZIP code 80403, in 8,490 households, at 146.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 80403?

$151,276 a year, against $95,470 across Colorado.

What ZIP codes are near 80403?

The closest are 80025 (6.7 mi), 80007 (6.9 mi), 80402 (7.2 mi), 80401 (8.7 mi) and 80471 (9.2 mi).

Is 80403 a PO Box ZIP code?

80403 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “80403 ZIP Code — Golden, Colorado (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80403

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