37315
ZIP 37315 is Collegedale, Tennessee, in Hamilton County; area code 423; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Hamilton
- Metro area
- Chattanooga, TN-GA
- Population
- 1,825
- Coordinates
- 35.0472, -85.0516
Weather right now
Asking the National Weather Service…
Where 37315 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 37315 into a pocket calculator and turn it upside down: SIELE — not quite a word, sorry.
- ➕ As a number, 37,315 = 5 × 17 × 439. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001000111000011 - 🏠 Its numerical neighbours: 37314 (Cokercreek, TN, 44 mi away) and 37316 (Conasauga, TN, 18 mi away).
- 🔄 Backwards, 37315 becomes 51373, which is not a ZIP code at all.
- 👥 28 other ZIP codes are made of exactly the same digits (13357, 13753, 15337, 15733, 17335, 17353, …). The farthest-flung twin is 57313 in Armour, SD, 911 miles away.
- 🧭 Farther south than 74% of all ZIP codes, and farther east than 56%.
- 🎯811 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37315 and you would come out at 35.05°S, 94.95°E — 1,221 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 31m of daylight. Shortest: 9h 48m.
- 📏 At 0.127 square miles of land, 37315 is bigger than 2% of ZIP codes — about 61 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,825This ZIP1,825 |
|---|---|
| Households | 0 |
| Housing units | 89This ZIP89 |
| Median age | 20.0This ZIP20.0Tennessee38.9US 38.9 |
| Bachelor's degree or higher | 30.6%This ZIP30.6% |
| Mean commute | 10.7 minThis ZIP10.7 min |
| Population density | 14,370.1 / sq miThis ZIP14,370.1 / sq mi |
Business and tax activity
| Business establishments | 27This ZIP27 |
|---|---|
| Employees | 6,338This ZIP6,338 |
| Annual payroll | $349,992,000This ZIP$349,992,000 |
Land area
| Land area | 0.13 sq miThis ZIP0.13 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 37315
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 37315
| ZIP | City | Distance |
|---|---|---|
37302 | Apison, TN | 2.8 mi |
37363 | Ooltewah, TN | 5.1 mi |
37421 | Chattanooga, TN | 5.9 mi |
37353 | Mc Donald, TN | 6.4 mi |
37416 | Chattanooga, TN | 6.9 mi |
30726 | Graysville, GA | 7.1 mi |
37311 | Cleveland, TN | 8.4 mi |
37411 | Chattanooga, TN | 10.2 mi |
37412 | Chattanooga, TN | 10.5 mi |
30710 | Cohutta, GA | 10.7 mi |
Find every ZIP code within 10 miles of 37315 →
Questions about this ZIP code
Where is ZIP code 37315?
37315 is in Collegedale, Tennessee, in Hamilton County, part of the Chattanooga, TN-GA metropolitan area. Its published point location is 35.0472, -85.0516.
What county is 37315 in?
37315 lies in Hamilton County.
What area code is 37315?
Collegedale uses area code 423, from NANPA's telephone records.
What time zone is 37315 in?
37315 uses America/New_York.
How many people live in 37315?
About 1,825 people live in ZIP code 37315, at 14,370.1 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 37315?
The closest are 37302 (2.8 mi), 37363 (5.1 mi), 37421 (5.9 mi), 37353 (6.4 mi) and 37416 (6.9 mi).
Is 37315 a PO Box ZIP code?
37315 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37315 ZIP Code — Collegedale, Tennessee (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37315
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37315.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.