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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/37409

37409

ZIP 37409 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
3,357
Coordinates
35.0103, -85.3359
☼ Live from 37409 — Chattanooga, TN

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Local time: —

Where 37409 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 37409
  • 🔢 Type 37409 into a pocket calculator and turn it upside down: GOhLE — not quite a word, sorry.
  • ➕ 37409 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001001000100001
  • 🏠 Its numerical neighbours: 37408 (Chattanooga, TN, 2 mi away) and 37410 (Chattanooga, TN, 1 mi away).
  • 🔄 Backwards, 37409 becomes 90473, which is not a ZIP code at all.
  • 👥 45 other ZIP codes are made of exactly the same digits (03749, 04739, 04937, 04973, 07439, 07934, …). The farthest-flung twin is 09734 in APO AE, a military post office, 7,297 miles away.
  • 🧭 Farther south than 74% of all ZIP codes, and farther east than 56%.
  • 🎯798 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37409 and you would come out at 35.01°S, 94.66°E — 1,237 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 31m of daylight. Shortest: 9h 48m.
  • 📏 At 4.4 square miles of land, 37409 is bigger than 18% of ZIP codes — room for about 3.4 Central Parks.
🌙 The sky over 37409 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,357This ZIP3,357
Households1,553This ZIP1,553
Housing units1,722This ZIP1,722
Median age35.5This ZIP35.5Tennessee38.9US 38.9
Median household income$74,754This ZIP$74,754Tennessee$69,595US $80,734
Median home value$267,400This ZIP$267,400Tennessee$286,700US $332,700
Median gross rent$1,341This ZIP$1,341Tennessee$1,189US $1,413
Bachelor's degree or higher53.7%This ZIP53.7%
Mean commute27.2 minThis ZIP27.2 min
Population density760.0 / sq miThis ZIP760.0 / sq mi

Business and tax activity

Business establishments130This ZIP130
Employees2,765This ZIP2,765
Annual payroll$215,505,000This ZIP$215,505,000
Tax returns filed1,460This ZIP1,460
Total adjusted gross income$127,863,000This ZIP$127,863,000

Land area

Land area4.42 sq miThis ZIP4.42 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 37409

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 37409

ZIPCityDistance
37410 Chattanooga, TN 1.4 mi
37350 Lookout Mountain, TN 1.4 mi
37408 Chattanooga, TN 2.0 mi
37407 Chattanooga, TN 2.7 mi
37402 Chattanooga, TN 2.8 mi
37401 Chattanooga, TN 2.9 mi
37414 Chattanooga, TN 2.9 mi
37422 Chattanooga, TN 2.9 mi
37424 Chattanooga, TN 2.9 mi
37450 Chattanooga, TN 3.0 mi

Find every ZIP code within 10 miles of 37409 →

Questions about this ZIP code

Where is ZIP code 37409?

37409 is in Chattanooga, Tennessee, in Hamilton County, part of the Chattanooga, TN-GA metropolitan area. Its published point location is 35.0103, -85.3359.

What county is 37409 in?

37409 lies in Hamilton County.

What area code is 37409?

Chattanooga uses area code 423, from NANPA's telephone records.

What time zone is 37409 in?

37409 uses America/New_York.

How many people live in 37409?

About 3,357 people live in ZIP code 37409, in 1,553 households, at 760.0 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 37409?

$74,754 a year, against $69,595 across Tennessee.

What ZIP codes are near 37409?

The closest are 37410 (1.4 mi), 37350 (1.4 mi), 37408 (2 mi), 37407 (2.7 mi) and 37402 (2.8 mi).

Is 37409 a PO Box ZIP code?

37409 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “37409 ZIP Code — Chattanooga, Tennessee (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37409

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