Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/37422

37422

ZIP 37422 is in Chattanooga, Tennessee, in Hamilton County; area code 423; Eastern time. Chattanooga has 20 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Hamilton
Metro area
Chattanooga, TN-GA
Coordinates
35.0456, -85.3097

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 37402, whose figures describe that area — not this ZIP code.

☼ Live from 37422 — Chattanooga, TN

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 37422 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 37422
  • 🔢 Type 37422 into a pocket calculator and turn it upside down: ZZhLE — not quite a word, sorry.
  • ➕ As a number, 37,422 = 2 × 3 × 3 × 3 × 3 × 3 × 7 × 11. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001001000101110
  • 🏠 Its numerical neighbours: 37421 (Chattanooga, TN, 9 mi away) and 37424 (Chattanooga, TN, 0 mi away).
  • 🔄 Backwards, 37422 becomes 22473 — and that is a real ZIP code: Heathsville, VA, 532 miles away.
  • 👥 31 other ZIP codes are made of exactly the same digits (22437, 22473, 22734, 22743, 23274, 23427, …). The farthest-flung twin is 34272 in Laurel, FL, 572 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 37422 and you would come out at 35.05°S, 94.69°E — 1,236 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 31m of daylight. Shortest: 9h 48m.
🌙 The sky over 37422 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments21This ZIP21
Employees358This ZIP358
Annual payroll$25,590,000This ZIP$25,590,000

Land area

ZIP codes near 37422

ZIPCityDistance
37401 Chattanooga, TN 0.0 mi
37414 Chattanooga, TN 0.0 mi
37424 Chattanooga, TN 0.0 mi
37450 Chattanooga, TN 0.3 mi
37402 Chattanooga, TN 0.4 mi
37403 Chattanooga, TN 0.9 mi
37408 Chattanooga, TN 1.0 mi
37404 Chattanooga, TN 2.4 mi
37409 Chattanooga, TN 2.9 mi
37410 Chattanooga, TN 3.0 mi

Find every ZIP code within 10 miles of 37422 →

Questions about this ZIP code

Where is ZIP code 37422?

37422 is in Chattanooga, Tennessee, in Hamilton County, part of the Chattanooga, TN-GA metropolitan area. Its published point location is 35.0456, -85.3097.

What county is 37422 in?

37422 lies in Hamilton County.

What area code is 37422?

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

What time zone is 37422 in?

37422 uses America/New_York.

What ZIP codes are near 37422?

The closest are 37401 (0 mi), 37414 (0 mi), 37424 (0 mi), 37450 (0.3 mi) and 37402 (0.4 mi).

Is 37422 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “37422 ZIP Code — Chattanooga, Tennessee (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37422

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/37422.json

Underlying data is public domain or openly licensed — sources, vintages and licences.