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zipcodes.pro — ZIP/37403

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
☼ Live from 37403 — Chattanooga, TN

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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.

★ Weird and wonderful facts about 37403
  • 🔢 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.
🌙 The sky over 37403 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population6,413This ZIP6,413
Households1,990This ZIP1,990
Housing units2,424This ZIP2,424
Median age21.2This 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 higher55.5%This ZIP55.5%
Mean commute15.1 minThis ZIP15.1 min
Population density3,761.3 / sq miThis ZIP3,761.3 / sq mi

Business and tax activity

Business establishments287This ZIP287
Employees10,200This ZIP10,200
Annual payroll$791,718,000This ZIP$791,718,000
Tax returns filed1,610This ZIP1,610
Total adjusted gross income$202,514,000This ZIP$202,514,000

Land area

Land area1.71 sq miThis ZIP1.71 sq mi
Water area0.15 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

ZIPCityDistance
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.

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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

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