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/37320

37320

ZIP 37320 is in Cleveland, Tennessee, in Bradley County; area code 423; Eastern time. Cleveland has 5 ZIP codes; the others are 37311, 37312, 37323 and 37364.

Type
No street area
Time zone
America/New_York
County
Bradley
Metro area
Cleveland, TN
Coordinates
35.1727, -84.8619

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 37311, whose figures describe that area — not this ZIP code.

☼ Live from 37320 — Cleveland, TN

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Local time: —

Where 37320 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 37320
  • 🔢 Type 37320 into a pocket calculator and turn it upside down: OZELE — not quite a word, sorry.
  • ➕ As a number, 37,320 = 2 × 2 × 2 × 3 × 5 × 311. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001000111001000
  • 🏠 Its numerical neighbours: 37318 (Cowan, TN, 63 mi away) and 37321 (Dayton, TN, 24 mi away).
  • 🔄 Backwards, 37320 becomes 02373, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (02337, 03237, 03273, 20373, 20733, 23307, …). The farthest-flung twin is 03237 in Gilmanton, NH, 917 miles away.
  • 🧭 Farther south than 73% of all ZIP codes, and farther east than 57%.
  • 🎯817 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 37320 and you would come out at 35.17°S, 95.14°E — 1,211 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 32m of daylight. Shortest: 9h 47m.
🌙 The sky over 37320 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments35This ZIP35
Employees393This ZIP393
Annual payroll$16,810,000This ZIP$16,810,000

Land area

ZIP codes near 37320

ZIPCityDistance
37364 Cleveland, TN 0.0 mi
37312 Cleveland, TN 3.8 mi
37311 Cleveland, TN 5.8 mi
37323 Cleveland, TN 5.9 mi
37353 Mc Donald, TN 7.8 mi
37310 Charleston, TN 10.2 mi
37336 Georgetown, TN 10.2 mi
37309 Calhoun, TN 11.2 mi
37363 Ooltewah, TN 11.5 mi
37341 Harrison, TN 12.4 mi

Find every ZIP code within 10 miles of 37320 →

Questions about this ZIP code

Where is ZIP code 37320?

37320 is in Cleveland, Tennessee, in Bradley County, part of the Cleveland, TN metropolitan area. Its published point location is 35.1727, -84.8619.

What county is 37320 in?

37320 lies in Bradley County.

What area code is 37320?

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

What time zone is 37320 in?

37320 uses America/New_York.

What ZIP codes are near 37320?

The closest are 37364 (0 mi), 37312 (3.8 mi), 37311 (5.8 mi), 37323 (5.9 mi) and 37353 (7.8 mi).

Is 37320 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.

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Cite this page

zipcodes.pro. “37320 ZIP Code — Cleveland, Tennessee (Bradley County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/37320

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/37320.json

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