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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/45275

45275

ZIP 45275 is in Cincinnati, Ohio, in Brown County; area codes 513 and 283; Eastern time. Cincinnati has 71 ZIP codes in all.

Type
No street area
Time zone
America/New_York
County
Brown
Coordinates
39.1620, -84.4569

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 45212, whose figures describe that area — not this ZIP code.

☼ Live from 45275 — Cincinnati, OH

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Where 45275 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 45275
  • 🔢 Type 45275 into a pocket calculator and turn it upside down: SLZSh — not quite a word, sorry.
  • ➕ As a number, 45,275 = 5 × 5 × 1811. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000011011011
  • 🏠 Its numerical neighbours: 45274 (Cincinnati, OH, 4 mi away) and 45277 (Cincinnati, OH, 4 mi away).
  • 🔄 Backwards, 45275 becomes 57254, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (24557, 25547, 27455, 27545, 42755, 47525, …). The farthest-flung twin is 57452 in Java, SD, 899 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 58%.
  • 🎯754 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45275 and you would come out at 39.16°S, 95.54°E — 1,242 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
🌙 The sky over 45275 today
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Source: USGS.

Land area

ZIP codes near 45275

ZIPCityDistance
45280 Cincinnati, OH 0.0 mi
45212 Cincinnati, OH 0.3 mi
45207 Cincinnati, OH 1.6 mi
45229 Cincinnati, OH 1.7 mi
45209 Cincinnati, OH 1.7 mi
45217 Cincinnati, OH 2.2 mi
45208 Cincinnati, OH 2.2 mi
45237 Cincinnati, OH 2.3 mi
45213 Cincinnati, OH 2.4 mi
45206 Cincinnati, OH 2.8 mi

Find every ZIP code within 10 miles of 45275 →

Questions about this ZIP code

Where is ZIP code 45275?

45275 is in Cincinnati, Ohio, in Brown County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.1620, -84.4569.

What county is 45275 in?

45275 lies in Brown County.

What area code is 45275?

Cincinnati uses area codes 513 and 283, from NANPA's telephone records.

What time zone is 45275 in?

45275 uses America/New_York.

What ZIP codes are near 45275?

The closest are 45280 (0 mi), 45212 (0.3 mi), 45207 (1.6 mi), 45229 (1.7 mi) and 45209 (1.7 mi).

Is 45275 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. “45275 ZIP Code — Cincinnati, Ohio (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45275

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