37381
ZIP 37381 is Spring City, Tennessee, mostly in Rhea County; area code 423; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Rhea +1 more
- Metro area
- none
- Population
- 10,711
- Coordinates
- 35.6870, -84.8774
Weather right now
Asking the National Weather Service…
Where 37381 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 37381 into a pocket calculator and turn it upside down: IBELE — not quite a word, sorry.
- ➕ As a number, 37,381 = 29 × 1289. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001001000000101 - 🏠 Its numerical neighbours: 37380 (South Pittsburg, TN, 65 mi away) and 37382 (Summitville, TN, 63 mi away).
- 🔄 Backwards, 37381 becomes 18373, which is not a ZIP code at all.
- 👥 25 other ZIP codes are made of exactly the same digits (13738, 13783, 17833, 18337, 31738, 31783, …). The farthest-flung twin is 83713 in Boise, ID, 1,749 miles away.
- 🧭 Farther south than 71% of all ZIP codes, and farther east than 57%.
- 🎯800 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37381 and you would come out at 35.69°S, 95.12°E — 1,216 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 35m of daylight. Shortest: 9h 44m.
- 📏 At 136.2 square miles of land, 37381 is bigger than 85% of ZIP codes — room for about 103 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,711This ZIP10,711 |
|---|---|
| Households | 4,124This ZIP4,124 |
| Housing units | 5,052This ZIP5,052 |
| Median age | 47.6This ZIP47.6Tennessee38.9US 38.9 |
| Median household income | $56,869This ZIP$56,869Tennessee$69,595US $80,734 |
| Median home value | $230,100This ZIP$230,100Tennessee$286,700US $332,700 |
| Median gross rent | $817This ZIP$817Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 18.2%This ZIP18.2% |
| Mean commute | 36.5 minThis ZIP36.5 min |
| Population density | 78.7 / sq miThis ZIP78.7 / sq mi |
Business and tax activity
| Business establishments | 114This ZIP114 |
|---|---|
| Employees | 873This ZIP873 |
| Annual payroll | $42,853,000This ZIP$42,853,000 |
| Tax returns filed | 4,040This ZIP4,040 |
| Total adjusted gross income | $265,310,000This ZIP$265,310,000 |
Land area
| Land area | 136.17 sq miThis ZIP136.17 sq mi |
|---|---|
| Water area | 13.95 sq miThis ZIP13.95 sq mi |
Counties 37381 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Rhea County | 79.7% |
| Bledsoe County | 20.3% |
Other place names in 37381
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 37381
| ZIP | City | Distance |
|---|---|---|
37337 | Grandview, TN | 7.1 mi |
37332 | Evensville, TN | 7.2 mi |
37880 | Ten Mile, TN | 12.2 mi |
37322 | Decatur, TN | 13.1 mi |
37321 | Dayton, TN | 14.7 mi |
38555 | Crossville, TN | 15.2 mi |
37854 | Rockwood, TN | 16.7 mi |
38572 | Crossville, TN | 18.0 mi |
37826 | Niota, TN | 18.4 mi |
37723 | Crab Orchard, TN | 19.9 mi |
Find every ZIP code within 10 miles of 37381 →
Questions about this ZIP code
Where is ZIP code 37381?
37381 is in Spring City, Tennessee, in Rhea County. Its published point location is 35.6870, -84.8774.
What county is 37381 in?
37381 spans 2 counties: Rhea County and Bledsoe County. Most of it falls in Rhea 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 37381?
Spring City uses area code 423, from NANPA's telephone records.
What time zone is 37381 in?
37381 uses America/New_York.
How many people live in 37381?
About 10,711 people live in ZIP code 37381, in 4,124 households, at 78.7 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 37381?
$56,869 a year, against $69,595 across Tennessee.
What ZIP codes are near 37381?
The closest are 37337 (7.1 mi), 37332 (7.2 mi), 37880 (12.2 mi), 37322 (13.1 mi) and 37321 (14.7 mi).
Is 37381 a PO Box ZIP code?
37381 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37381 ZIP Code — Spring City, Tennessee (Rhea County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37381
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37381.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.