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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/43433

43433

ZIP 43433 is Gypsum, Ohio, in Ottawa County; area codes 419 and 567; Eastern time.

Type
Standard
Time zone
America/New_York
County
Ottawa
Metro area
Sandusky, OH
Population
0
Coordinates
41.5046, -82.8803
☼ Live from 43433 — Gypsum, OH

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Local time: —

Where 43433 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 43433
  • 🔢 Type 43433 into a pocket calculator and turn it upside down: EEhEh — not quite a word, sorry.
  • ➕ As a number, 43,433 = 13 × 13 × 257. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010100110101001
  • 🏠 Its numerical neighbours: 43432 (Graytown, OH, 20 mi away) and 43434 (Harbor View, OH, 32 mi away).
  • 🔄 Backwards, 43433 becomes 33434 — and that is a real ZIP code: Boca Raton, FL, 1,056 miles away.
  • 👥 6 other ZIP codes are made of exactly the same digits (33434, 33443, 34433, 43334, 43343, 44333). The farthest-flung twin is 33443 in Deerfield Beach, FL, 1,061 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther east than 63%.
  • 🎯830 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43433 and you would come out at 41.50°S, 97.12°E — 1,226 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 0.490 square miles of land, 43433 is bigger than 5% of ZIP codes — about 237 football fields.
🌙 The sky over 43433 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population0
Households0
Housing units0
Population density0.0 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees283This ZIP283
Annual payroll$24,659,000This ZIP$24,659,000

Land area

Land area0.49 sq miThis ZIP0.49 sq mi
Water area0.00 sq mi

ZIP codes near 43433

ZIPCityDistance
43452 Port Clinton, OH 3.8 mi
43440 Lakeside Marblehead, OH 5.7 mi
43464 Vickery, OH 6.5 mi
43439 Lacarne, OH 8.5 mi
44824 Castalia, OH 9.2 mi
44871 Sandusky, OH 9.7 mi
43456 Put In Bay, OH 10.5 mi
44870 Sandusky, OH 10.5 mi
43438 Kelleys Island, OH 11.3 mi
43446 Middle Bass, OH 12.2 mi

Find every ZIP code within 10 miles of 43433 →

Questions about this ZIP code

Where is ZIP code 43433?

43433 is in Gypsum, Ohio, in Ottawa County, part of the Sandusky, OH metropolitan area. Its published point location is 41.5046, -82.8803.

What county is 43433 in?

43433 lies in Ottawa County.

What area code is 43433?

Gypsum uses area codes 419 and 567, from NANPA's telephone records.

What time zone is 43433 in?

43433 uses America/New_York.

How many people live in 43433?

About 0 people live in ZIP code 43433. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 43433?

The closest are 43452 (3.8 mi), 43440 (5.7 mi), 43464 (6.5 mi), 43439 (8.5 mi) and 44824 (9.2 mi).

Is 43433 a PO Box ZIP code?

43433 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “43433 ZIP Code — Gypsum, Ohio (Ottawa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43433

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