37403
ZIP 37403 is in Chattanooga, Tennessee, in Hamilton County; area code 423; Eastern time. Chattanooga has 20 ZIP codes in all.
- Type
- Standard
- Time zone
- America/New_York
- County
- Hamilton
- Metro area
- Chattanooga, TN-GA
- Population
- 6,413
- Coordinates
- 35.0483, -85.2944
Weather right now
Asking the National Weather Service…
Where 37403 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 37403 into a pocket calculator and turn it upside down: EOhLE — not quite a word, sorry.
- ➕ As a number, 37,403 = 113 × 331. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001001000011011 - 🏠 Its numerical neighbours: 37402 (Chattanooga, TN, 1 mi away) and 37404 (Chattanooga, TN, 2 mi away).
- 🔄 Backwards, 37403 becomes 30473 — and that is a real ZIP code: Uvalda, GA, 265 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (03743, 04733, 30374, 30473, 30734, 33074, …). The farthest-flung twin is 34037 in APO AA, a military post office, 2,055 miles away.
- 🧭 Farther south than 74% of all ZIP codes, and farther east than 56%.
- 🎯799 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 37403 and you would come out at 35.05°S, 94.71°E — 1,235 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 31m of daylight. Shortest: 9h 48m.
- 📏 At 1.7 square miles of land, 37403 is bigger than 11% of ZIP codes — room for about 1.3 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,413This ZIP6,413 |
|---|---|
| Households | 1,990This ZIP1,990 |
| Housing units | 2,424This ZIP2,424 |
| Median age | 21.2This ZIP21.2Tennessee38.9US 38.9 |
| Median household income | $81,136This ZIP$81,136Tennessee$69,595US $80,734 |
| Median home value | $525,200This ZIP$525,200Tennessee$286,700US $332,700 |
| Median gross rent | $1,443This ZIP$1,443Tennessee$1,189US $1,413 |
| Bachelor's degree or higher | 55.5%This ZIP55.5% |
| Mean commute | 15.1 minThis ZIP15.1 min |
| Population density | 3,761.3 / sq miThis ZIP3,761.3 / sq mi |
Business and tax activity
| Business establishments | 287This ZIP287 |
|---|---|
| Employees | 10,200This ZIP10,200 |
| Annual payroll | $791,718,000This ZIP$791,718,000 |
| Tax returns filed | 1,610This ZIP1,610 |
| Total adjusted gross income | $202,514,000This ZIP$202,514,000 |
Land area
| Land area | 1.71 sq miThis ZIP1.71 sq mi |
|---|---|
| Water area | 0.15 sq miThis ZIP0.15 sq mi |
Other place names in 37403
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 37403
| ZIP | City | Distance |
|---|---|---|
37401 | Chattanooga, TN | 0.9 mi |
37414 | Chattanooga, TN | 0.9 mi |
37422 | Chattanooga, TN | 0.9 mi |
37424 | Chattanooga, TN | 0.9 mi |
37450 | Chattanooga, TN | 1.0 mi |
37402 | Chattanooga, TN | 1.2 mi |
37408 | Chattanooga, TN | 1.6 mi |
37404 | Chattanooga, TN | 1.8 mi |
37407 | Chattanooga, TN | 3.2 mi |
37406 | Chattanooga, TN | 3.3 mi |
Find every ZIP code within 10 miles of 37403 →
Questions about this ZIP code
Where is ZIP code 37403?
37403 is in Chattanooga, Tennessee, in Hamilton County, part of the Chattanooga, TN-GA metropolitan area. Its published point location is 35.0483, -85.2944.
What county is 37403 in?
37403 lies in Hamilton County.
What area code is 37403?
Chattanooga uses area code 423, from NANPA's telephone records.
What time zone is 37403 in?
37403 uses America/New_York.
How many people live in 37403?
About 6,413 people live in ZIP code 37403, in 1,990 households, at 3,761.3 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 37403?
$81,136 a year, against $69,595 across Tennessee.
What ZIP codes are near 37403?
The closest are 37401 (0.9 mi), 37414 (0.9 mi), 37422 (0.9 mi), 37424 (0.9 mi) and 37450 (1 mi).
Is 37403 a PO Box ZIP code?
37403 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “37403 ZIP Code — Chattanooga, Tennessee (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37403
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/37403.json Underlying data is public domain or openly licensed — sources, vintages and licences.