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Where 37691 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 37691 into a pocket calculator and turn it upside down: IGgLE — not quite a word, sorry.
- ➕ 37691 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001001100111011 - 🏠 Its numerical neighbours: 37690 (Telford, TN, 45 mi away) and 37692 (Unicoi, TN, 33 mi away).
- 🔄 Backwards, 37691 becomes 19673, which is not a ZIP code at all.
- 👥 35 other ZIP codes are made of exactly the same digits (13679, 13697, 13796, 16937, 17936, 17963, …). The farthest-flung twin is 96731 in Kahuku, HI, 4,601 miles away.
- 🧭 Farther south than 67% of all ZIP codes, and farther east than 67%.
- 🎯944 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37691 and you would come out at 36.37°S, 98.24°E — 1,051 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 41m.
- 📏 At 14.3 square miles of land, 37691 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 475This ZIP475 |
|---|---|
| Households | 270This ZIP270 |
| Housing units | 434This ZIP434 |
| Median age | 52.7This ZIP52.7Tennessee38.9US 38.9 |
| Median household income | $13,976This ZIP$13,976Tennessee$69,595US $80,734 |
| Median home value | $310,300This ZIP$310,300Tennessee$286,700US $332,700 |
| Bachelor's degree or higher | 26.6%This ZIP26.6% |
| Population density | 33.1 / sq miThis ZIP33.1 / sq mi |
Business and tax activity
| Business establishments | 12This ZIP12 |
|---|---|
| Employees | 52This ZIP52 |
| Annual payroll | $1,931,000This ZIP$1,931,000 |
| Tax returns filed | 350This ZIP350 |
| Total adjusted gross income | $24,017,000This ZIP$24,017,000 |
Land area
| Land area | 14.35 sq miThis ZIP14.35 sq mi |
|---|---|
| Water area | 0.00 sq mi |
ZIP codes near 37691
| ZIP | City | Distance |
|---|---|---|
28698 | Zionville, NC | 3.7 mi |
28692 | Vilas, NC | 5.9 mi |
37683 | Mountain City, TN | 7.0 mi |
28684 | Todd, NC | 8.6 mi |
28615 | Creston, NC | 8.8 mi |
28679 | Sugar Grove, NC | 8.8 mi |
28691 | Valle Crucis, NC | 11.0 mi |
28608 | Boone, NC | 11.4 mi |
28607 | Boone, NC | 12.2 mi |
37640 | Butler, TN | 12.5 mi |
Find every ZIP code within 10 miles of 37691 →
Questions about this ZIP code
Where is ZIP code 37691?
37691 is in Trade, Tennessee, in Johnson County. Its published point location is 36.3679, -81.7552.
What county is 37691 in?
37691 lies in Johnson County.
What area code is 37691?
Trade uses area code 423, from NANPA's telephone records.
What time zone is 37691 in?
37691 uses America/New_York.
How many people live in 37691?
About 475 people live in ZIP code 37691, in 270 households, at 33.1 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 37691?
$13,976 a year, against $69,595 across Tennessee.
What ZIP codes are near 37691?
The closest are 28698 (3.7 mi), 28692 (5.9 mi), 37683 (7 mi), 28684 (8.6 mi) and 28615 (8.8 mi).
Is 37691 a PO Box ZIP code?
37691 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37691 ZIP Code — Trade, Tennessee (Johnson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37691
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37691.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.