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/80256

80256

ZIP 80256 is in Denver, Colorado, in Denver County; area codes 303, 720 and 983; Mountain time. Denver has 66 ZIP codes in all.

Type
No street area
Time zone
America/Denver
County
Denver
Coordinates
39.7474, -104.9928

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 80202, whose figures describe that area — not this ZIP code.

☼ Live from 80256 — Denver, CO

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Where 80256 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 80256
  • 🔢 Type 80256 into a pocket calculator and turn it upside down: gSZOB — not quite a word, sorry.
  • ➕ As a number, 80,256 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 11 × 19. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100110000000
  • 🏠 Its numerical neighbours: 80252 (Denver, CO, 1 mi away) and 80257 (Denver, CO, 1 mi away).
  • 🔄 Backwards, 80256 becomes 65208, which is not a ZIP code at all.
  • 👥 61 other ZIP codes are made of exactly the same digits (02568, 02865, 05682, 05826, 05862, 06258, …). The farthest-flung twin is 02568 in Vineyard Haven, MA, 1,795 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther west than 83%.
  • 🎯340 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 80256 and you would come out at 39.75°S, 75.01°E — 704 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 80256 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 80256

ZIPCityDistance
80259 Denver, CO 0.1 mi
80293 Denver, CO 0.2 mi
80294 Denver, CO 0.2 mi
80274 Denver, CO 0.4 mi
80281 Denver, CO 0.4 mi
80291 Denver, CO 0.4 mi
80202 Denver, CO 0.4 mi
80290 Denver, CO 0.4 mi
80264 Denver, CO 0.5 mi
80208 Denver, CO 0.7 mi

Find every ZIP code within 10 miles of 80256 →

Questions about this ZIP code

Where is ZIP code 80256?

80256 is in Denver, Colorado, in Denver County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.7474, -104.9928.

What county is 80256 in?

80256 lies in Denver County.

What area code is 80256?

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

What time zone is 80256 in?

80256 uses America/Denver.

What ZIP codes are near 80256?

The closest are 80259 (0.1 mi), 80293 (0.2 mi), 80294 (0.2 mi), 80274 (0.4 mi) and 80281 (0.4 mi).

Is 80256 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. “80256 ZIP Code — Denver, Colorado (Denver County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80256

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