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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/38331

38331

ZIP 38331 is Eaton, Tennessee, in Gibson County; area code 731; Central time.

Type
No street area
Time zone
America/Chicago
County
Gibson
Metro area
Jackson, TN
Coordinates
35.9693, -89.1319

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 38382, whose figures describe that area — not this ZIP code.

☼ Live from 38331 — Eaton, TN

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Where 38331 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 38331
  • 🔢 Type 38331 into a pocket calculator and turn it upside down: IEEBE — not quite a word, sorry.
  • ➕ As a number, 38,331 = 3 × 3 × 4259. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001010110111011
  • 🏠 Its numerical neighbours: 38330 (Dyer, TN, 9 mi away) and 38332 (Enville, TN, 55 mi away).
  • 🔄 Backwards, 38331 becomes 13383, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (13338, 13833, 18333, 31833, 33138, 33183, …). The farthest-flung twin is 83313 in Bellevue, ID, 1,421 miles away.
  • 🧭 Farther south than 69% of all ZIP codes, and farther west than 53%.
  • 🎯580 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 38331 and you would come out at 35.97°S, 90.87°E — 1,390 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 36m of daylight. Shortest: 9h 43m.
🌙 The sky over 38331 today
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Source: USGS.

Land area

ZIP codes near 38331

ZIPCityDistance
38034 Friendship, TN 6.8 mi
38070 Tigrett, TN 6.9 mi
38021 Crockett Mills, TN 7.4 mi
38382 Trenton, TN 8.2 mi
38330 Dyer, TN 8.9 mi
38389 Yorkville, TN 9.3 mi
38001 Alamo, TN 10.6 mi
38059 Newbern, TN 11.8 mi
38050 Maury City, TN 11.8 mi
38337 Gadsden, TN 14.4 mi

Find every ZIP code within 10 miles of 38331 →

Questions about this ZIP code

Where is ZIP code 38331?

38331 is in Eaton, Tennessee, in Gibson County, part of the Jackson, TN metropolitan area. Its published point location is 35.9693, -89.1319.

What county is 38331 in?

38331 lies in Gibson County.

What area code is 38331?

Eaton uses area code 731, from NANPA's telephone records.

What time zone is 38331 in?

38331 uses America/Chicago.

What ZIP codes are near 38331?

The closest are 38034 (6.8 mi), 38070 (6.9 mi), 38021 (7.4 mi), 38382 (8.2 mi) and 38330 (8.9 mi).

Is 38331 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. “38331 ZIP Code — Eaton, Tennessee (Gibson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/38331

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/38331.json

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