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/45837

45837

ZIP 45837 is Dupont, Ohio, in Putnam County; area code 419; Eastern time.

Type
No street area
Time zone
America/New_York
County
Putnam
Metro area
none
Coordinates
41.0463, -84.3195

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 45827, whose figures describe that area — not this ZIP code.

☼ Live from 45837 — Dupont, OH

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Local time: —

Where 45837 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 45837
  • 🔢 Type 45837 into a pocket calculator and turn it upside down: LEBSh — not quite a word, sorry.
  • ➕ As a number, 45,837 = 3 × 3 × 11 × 463. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011001100001101
  • 🏠 Its numerical neighbours: 45836 (Dunkirk, OH, 39 mi away) and 45838 (Elgin, OH, 23 mi away).
  • 🔄 Backwards, 45837 becomes 73854, which is not a ZIP code at all.
  • 👥 50 other ZIP codes are made of exactly the same digits (34758, 34785, 35478, 35487, 35748, 37845, …). The farthest-flung twin is 85347 in Roll, AZ, 1,716 miles away.
  • 🧭 Farther north than 67% of all ZIP codes, and farther east than 59%.
  • 🎯754 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45837 and you would come out at 41.05°S, 95.68°E — 1,280 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
🌙 The sky over 45837 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees9This ZIP9
Annual payroll$898,000This ZIP$898,000

Land area

ZIP codes near 45837

ZIPCityDistance
45827 Cloverdale, OH 3.5 mi
45831 Continental, OH 5.7 mi
45873 Oakwood, OH 6.2 mi
45861 Melrose, OH 6.2 mi
45849 Grover Hill, OH 7.0 mi
45853 Kalida, OH 7.7 mi
45876 Ottoville, OH 7.8 mi
45844 Fort Jennings, OH 9.3 mi
45864 Miller City, OH 10.2 mi
45863 Middle Point, OH 11.7 mi

Find every ZIP code within 10 miles of 45837 →

Questions about this ZIP code

Where is ZIP code 45837?

45837 is in Dupont, Ohio, in Putnam County. Its published point location is 41.0463, -84.3195.

What county is 45837 in?

45837 lies in Putnam County.

What area code is 45837?

Dupont uses area code 419, from NANPA's telephone records.

What time zone is 45837 in?

45837 uses America/New_York.

What ZIP codes are near 45837?

The closest are 45827 (3.5 mi), 45831 (5.7 mi), 45873 (6.2 mi), 45861 (6.2 mi) and 45849 (7 mi).

Is 45837 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. “45837 ZIP Code — Dupont, Ohio (Putnam County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45837

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45837.json

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