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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/81038

81038

ZIP 81038 is Fort Lyon, Colorado, in Bent County; area code 719; Mountain time.

Type
No street area
Time zone
America/Denver
County
Bent
Metro area
none
Coordinates
37.9555, -103.0725

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 81054, whose figures describe that area — not this ZIP code.

☼ Live from 81038 — Fort Lyon, CO

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Where 81038 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 81038
  • 🔢 Type 81038 into a pocket calculator and turn it upside down: BEOIB — not quite a word, sorry.
  • ➕ As a number, 81,038 = 2 × 40519. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011110010001110
  • 🏠 Its numerical neighbours: 81036 (Eads, CO, 35 mi away) and 81039 (Fowler, CO, 55 mi away).
  • 🔄 Backwards, 81038 becomes 83018, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (03818, 08318, 08831, 13088, 13808, 18038, …). The farthest-flung twin is 03818 in Conway, NH, 1,699 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 81%.
  • 🎯274 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81038 and you would come out at 37.96°S, 76.93°E — 855 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.
🌙 The sky over 81038 today
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Source: USGS.

Land area

ZIP codes near 81038

ZIPCityDistance
81054 Las Animas, CO 7.1 mi
81044 Hasty, CO 9.5 mi
81057 Mc Clave, CO 14.8 mi
81092 Wiley, CO 20.0 mi
81050 La Junta, CO 22.8 mi
81052 Lamar, CO 23.7 mi
81030 Cheraw, CO 26.0 mi
81077 Swink, CO 29.8 mi
81036 Eads, CO 35.2 mi
81067 Rocky Ford, CO 35.8 mi

Find every ZIP code within 10 miles of 81038 →

Questions about this ZIP code

Where is ZIP code 81038?

81038 is in Fort Lyon, Colorado, in Bent County. Its published point location is 37.9555, -103.0725.

What county is 81038 in?

81038 lies in Bent County.

What area code is 81038?

Fort Lyon uses area code 719, from NANPA's telephone records.

What time zone is 81038 in?

81038 uses America/Denver.

What ZIP codes are near 81038?

The closest are 81054 (7.1 mi), 81044 (9.5 mi), 81057 (14.8 mi), 81092 (20 mi) and 81050 (22.8 mi).

Is 81038 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. “81038 ZIP Code — Fort Lyon, Colorado (Bent County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81038

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