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/80251

80251

ZIP 80251 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
39.7392, -104.9847

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 80203, whose figures describe that area — not this ZIP code.

☼ Live from 80251 — Denver, CO

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Local time: —

Where 80251 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 80251
  • 🔢 Type 80251 into a pocket calculator and turn it upside down: ISZOB — not quite a word, sorry.
  • ➕ 80251 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011100101111011
  • 🏠 Its numerical neighbours: 80250 (Denver, CO, 0 mi away) and 80252 (Denver, CO, 0 mi away).
  • 🔄 Backwards, 80251 becomes 15208 — and that is a real ZIP code: Pittsburgh, PA, 1,322 miles away.
  • 👥 65 other ZIP codes are made of exactly the same digits (01258, 01825, 01852, 02185, 02815, 05821, …). The farthest-flung twin is 02185 in Braintree, MA, 1,765 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 80251 and you would come out at 39.74°S, 75.02°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 80251 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 80251

ZIPCityDistance
80208 Denver, CO 0.0 mi
80217 Denver, CO 0.0 mi
80243 Denver, CO 0.0 mi
80244 Denver, CO 0.0 mi
80248 Denver, CO 0.0 mi
80250 Denver, CO 0.0 mi
80252 Denver, CO 0.0 mi
80257 Denver, CO 0.0 mi
80263 Denver, CO 0.0 mi
80265 Denver, CO 0.0 mi

Find every ZIP code within 10 miles of 80251 →

Questions about this ZIP code

Where is ZIP code 80251?

80251 is in Denver, Colorado, in Denver County, part of the Denver-Aurora-Centennial, CO metropolitan area. Its published point location is 39.7392, -104.9847.

What county is 80251 in?

80251 lies in Denver County.

What area code is 80251?

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

What time zone is 80251 in?

80251 uses America/Denver.

What ZIP codes are near 80251?

The closest are 80208 (0 mi), 80217 (0 mi), 80243 (0 mi), 80244 (0 mi) and 80248 (0 mi).

Is 80251 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. “80251 ZIP Code — Denver, Colorado (Denver County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/80251

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/80251.json

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