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Where 38221 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 38221 into a pocket calculator and turn it upside down: IZZBE — not quite a word, sorry.
- ➕ As a number, 38,221 = 37 × 1033. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001010101001101 - 🏠 Its numerical neighbours: 38220 (Atwood, TN, 39 mi away) and 38222 (Buchanan, TN, 15 mi away).
- 🔄 Backwards, 38221 becomes 12283, which is not a ZIP code at all.
- 👥 29 other ZIP codes are made of exactly the same digits (12238, 12823, 12832, 18223, 18232, 18322, …). The farthest-flung twin is 83221 in Blackfoot, ID, 1,382 miles away.
- 🧭 Farther south than 68% of all ZIP codes, and farther west than 51%.
- 🎯624 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 38221 and you would come out at 36.24°S, 91.96°E — 1,396 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 38m of daylight. Shortest: 9h 41m.
- 📏 At 108.5 square miles of land, 38221 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,098This ZIP3,098 |
|---|---|
| Households | 1,468This ZIP1,468 |
| Housing units | 1,986This ZIP1,986 |
| Median age | 52.8This ZIP52.8Tennessee38.9US 38.9 |
| Median household income | $52,714This ZIP$52,714Tennessee$69,595US $80,734 |
| Median home value | $139,100This ZIP$139,100Tennessee$286,700US $332,700 |
| Median gross rent | $639This ZIP$639Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 11.5%This ZIP11.5% |
| Mean commute | 29.3 minThis ZIP29.3 min |
| Population density | 28.6 / sq miThis ZIP28.6 / sq mi |
Business and tax activity
| Business establishments | 23This ZIP23 |
|---|---|
| Employees | 108This ZIP108 |
| Annual payroll | $2,429,000This ZIP$2,429,000 |
| Tax returns filed | 1,330This ZIP1,330 |
| Total adjusted gross income | $73,926,000This ZIP$73,926,000 |
Land area
| Land area | 108.45 sq miThis ZIP108.45 sq mi |
|---|---|
| Water area | 15.89 sq miThis ZIP15.89 sq mi |
Other place names in 38221
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 38221
| ZIP | City | Distance |
|---|---|---|
38256 | Springville, TN | 6.8 mi |
38333 | Eva, TN | 9.4 mi |
37175 | Stewart, TN | 10.0 mi |
38236 | Mansfield, TN | 13.8 mi |
38320 | Camden, TN | 14.3 mi |
37178 | Tennessee Ridge, TN | 15.0 mi |
38222 | Buchanan, TN | 15.3 mi |
37185 | Waverly, TN | 16.0 mi |
37058 | Dover, TN | 16.6 mi |
38242 | Paris, TN | 17.0 mi |
Find every ZIP code within 10 miles of 38221 →
Questions about this ZIP code
Where is ZIP code 38221?
38221 is in Big Sandy, Tennessee, in Benton County. Its published point location is 36.2449, -88.0422.
What county is 38221 in?
38221 lies in Benton County.
What area code is 38221?
Big Sandy uses area code 731, from NANPA's telephone records.
What time zone is 38221 in?
38221 uses America/Chicago.
How many people live in 38221?
About 3,098 people live in ZIP code 38221, in 1,468 households, at 28.6 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 38221?
$52,714 a year, against $69,595 across Tennessee.
What ZIP codes are near 38221?
The closest are 38256 (6.8 mi), 38333 (9.4 mi), 37175 (10 mi), 38236 (13.8 mi) and 38320 (14.3 mi).
Is 38221 a PO Box ZIP code?
38221 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “38221 ZIP Code — Big Sandy, Tennessee (Benton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/38221
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/38221.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.