38240
ZIP 38240 is Obion, Tennessee, mostly in Obion County; area code 731; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Obion +1 more
- Metro area
- Union City, TN
- Population
- 1,620
- Coordinates
- 36.2451, -89.3181
Weather right now
Asking the National Weather Service…
Where 38240 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 38240 into a pocket calculator and turn it upside down: OhZBE — not quite a word, sorry.
- ➕ As a number, 38,240 = 2 × 2 × 2 × 2 × 2 × 5 × 239. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001010101100000 - 🏠 Its numerical neighbours: 38238 (Martin, TN, 27 mi away) and 38241 (Palmersville, TN, 42 mi away).
- 🔄 Backwards, 38240 becomes 04283, which is not a ZIP code at all.
- 👥 62 other ZIP codes are made of exactly the same digits (02348, 03284, 03824, 03842, 04238, 08234, …). The farthest-flung twin is 83204 in Pocatello, ID, 1,312 miles away.
- 🧭 Farther south than 68% of all ZIP codes, and farther west than 54%.
- 🎯561 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 38240 and you would come out at 36.25°S, 90.68°E — 1,369 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 38m of daylight. Shortest: 9h 41m.
- 📏 At 85.1 square miles of land, 38240 is bigger than 74% of ZIP codes — room for about 65 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,620This ZIP1,620 |
|---|---|
| Households | 766This ZIP766 |
| Housing units | 883This ZIP883 |
| Median age | 40.8This ZIP40.8Tennessee38.9US 38.9 |
| Median household income | $53,095This ZIP$53,095Tennessee$69,595US $80,734 |
| Median home value | $115,200This ZIP$115,200Tennessee$286,700US $332,700 |
| Median gross rent | $968This ZIP$968Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 16.2%This ZIP16.2% |
| Mean commute | 29.1 minThis ZIP29.1 min |
| Population density | 19.0 / sq miThis ZIP19.0 / sq mi |
Business and tax activity
| Business establishments | 17This ZIP17 |
|---|---|
| Employees | 110This ZIP110 |
| Annual payroll | $4,579,000This ZIP$4,579,000 |
| Tax returns filed | 820This ZIP820 |
| Total adjusted gross income | $43,227,000This ZIP$43,227,000 |
Land area
| Land area | 85.10 sq miThis ZIP85.10 sq mi |
|---|---|
| Water area | 0.12 sq miThis ZIP0.12 sq mi |
Counties 38240 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Obion County | 89.5% |
| Dyer County | 10.5% |
Other place names in 38240
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 38240
| ZIP | City | Distance |
|---|---|---|
38232 | Hornbeak, TN | 7.9 mi |
38259 | Trimble, TN | 8.0 mi |
38007 | Bogota, TN | 8.8 mi |
38254 | Samburg, TN | 9.1 mi |
38059 | Newbern, TN | 10.0 mi |
38077 | Wynnburg, TN | 10.4 mi |
38260 | Troy, TN | 10.7 mi |
38080 | Ridgely, TN | 11.5 mi |
38079 | Tiptonville, TN | 14.3 mi |
38389 | Yorkville, TN | 14.7 mi |
Find every ZIP code within 10 miles of 38240 →
Questions about this ZIP code
Where is ZIP code 38240?
38240 is in Obion, Tennessee, in Obion County, part of the Union City, TN micropolitan area. Its published point location is 36.2451, -89.3181.
What county is 38240 in?
38240 spans 2 counties: Obion County and Dyer County. Most of it falls in Obion County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 38240?
Obion uses area code 731, from NANPA's telephone records.
What time zone is 38240 in?
38240 uses America/Chicago.
How many people live in 38240?
About 1,620 people live in ZIP code 38240, in 766 households, at 19.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 38240?
$53,095 a year, against $69,595 across Tennessee.
What ZIP codes are near 38240?
The closest are 38232 (7.9 mi), 38259 (8 mi), 38007 (8.8 mi), 38254 (9.1 mi) and 38059 (10 mi).
Is 38240 a PO Box ZIP code?
38240 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “38240 ZIP Code — Obion, Tennessee (Obion County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/38240
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/38240.json Underlying data is public domain or openly licensed — sources, vintages and licences.