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/38281

38281

ZIP 38281 is in Union City, Tennessee, in Obion County; area code 731; Central time. Union City has 2 ZIP codes; the other is 38261.

Type
No street area
Time zone
America/Chicago
County
Obion
Metro area
Union City, TN
Coordinates
36.4242, -89.0570

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 38261, whose figures describe that area — not this ZIP code.

☼ Live from 38281 — Union City, TN

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Where 38281 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 38281
  • 🔢 Type 38281 into a pocket calculator and turn it upside down: IBZBE — not quite a word, sorry.
  • ➕ 38281 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001010110001001
  • 🏠 Its numerical neighbours: 38271 (Woodland Mills, TN, 10 mi away) and 38301 (Jackson, TN, 59 mi away).
  • 🔄 Backwards, 38281 becomes 18283, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (12838, 12883, 18328, 18823, 18832, 21838, …). The farthest-flung twin is 83821 in Coolin, ID, 1,631 miles away.
  • 🧭 Farther south than 67% of all ZIP codes, and farther west than 53%.
  • 🎯568 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 38281 and you would come out at 36.42°S, 90.94°E — 1,370 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
🌙 The sky over 38281 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments17This ZIP17
Employees137This ZIP137
Annual payroll$4,961,000This ZIP$4,961,000

Land area

ZIP codes near 38281

ZIPCityDistance
38261 Union City, TN 3.2 mi
38253 Rives, TN 8.0 mi
38260 Troy, TN 9.3 mi
38257 South Fulton, TN 9.8 mi
38271 Woodland Mills, TN 10.1 mi
42050 Hickman, KY 10.8 mi
38238 Martin, TN 12.8 mi
38237 Martin, TN 13.1 mi
42041 Fulton, KY 13.3 mi
38233 Kenton, TN 15.3 mi

Find every ZIP code within 10 miles of 38281 →

Questions about this ZIP code

Where is ZIP code 38281?

38281 is in Union City, Tennessee, in Obion County, part of the Union City, TN micropolitan area. Its published point location is 36.4242, -89.0570.

What county is 38281 in?

38281 lies in Obion County.

What area code is 38281?

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

What time zone is 38281 in?

38281 uses America/Chicago.

What ZIP codes are near 38281?

The closest are 38261 (3.2 mi), 38253 (8 mi), 38260 (9.3 mi), 38257 (9.8 mi) and 38271 (10.1 mi).

Is 38281 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. “38281 ZIP Code — Union City, Tennessee (Obion County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/38281

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curl https://zipcodes.pro/zip/38281.json

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