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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/45001

45001

ZIP 45001 is Addyston, Ohio, in Hamilton County; area codes 513 and 283; Eastern time.

Type
Standard
Time zone
America/New_York
County
Hamilton
Population
904
Coordinates
39.1381, -84.7128
☼ Live from 45001 — Addyston, OH

Weather right now

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NEXRAD radar
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Local time: —

Where 45001 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 45001
  • 🔢 Type 45001 into a pocket calculator and turn it upside down: IOOSh — not quite a word, sorry.
  • ➕ As a number, 45,001 = 11 × 4091. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010111111001001
  • 🏠 Its numerical neighbours: 44907 (Mansfield, OH, 160 mi away) and 45002 (Cleves, OH, 5 mi away).
  • 🔄 Backwards, 45001 becomes 10054, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (01054, 01450, 01504, 01540, 04015, 04051, …). The farthest-flung twin is 04105 in Falmouth, ME, 811 miles away.
  • 🧭 Farther north than 50% of all ZIP codes, and farther east than 57%.
  • 🎯740 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45001 and you would come out at 39.14°S, 95.29°E — 1,255 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 0.851 square miles of land, 45001 is bigger than 7% of ZIP codes — about 412 football fields.
🌙 The sky over 45001 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population904This ZIP904
Households321This ZIP321
Housing units374This ZIP374
Median age30.1This ZIP30.1Ohio39.7US 38.9
Median household income$50,417This ZIP$50,417Ohio$71,389US $80,734
Median home value$105,700This ZIP$105,700Ohio$214,800US $332,700
Median gross rent$860This ZIP$860Ohio$1,034US $1,413
Bachelor's degree or higher5.0%This ZIP5.0%
Mean commute26.9 minThis ZIP26.9 min
Population density1,062.3 / sq miThis ZIP1,062.3 / sq mi

Business and tax activity

Business establishments16This ZIP16
Employees246This ZIP246
Annual payroll$24,896,000This ZIP$24,896,000

Land area

Land area0.85 sq miThis ZIP0.85 sq mi
Water area0.06 sq miThis ZIP0.06 sq mi

Other place names in 45001

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 45001

ZIPCityDistance
45233 Cincinnati, OH 2.6 mi
45248 Cincinnati, OH 3.3 mi
41048 Hebron, KY 3.6 mi
45052 North Bend, OH 3.6 mi
45033 Hooven, OH 4.0 mi
45051 Mount Saint Joseph, OH 4.1 mi
45002 Cleves, OH 5.0 mi
45041 Miamitown, OH 5.1 mi
45238 Cincinnati, OH 5.9 mi
45247 Cincinnati, OH 6.1 mi

Find every ZIP code within 10 miles of 45001 →

Questions about this ZIP code

Where is ZIP code 45001?

45001 is in Addyston, Ohio, in Hamilton County, part of the Cincinnati, OH-KY-IN metropolitan area. Its published point location is 39.1381, -84.7128.

What county is 45001 in?

45001 lies in Hamilton County.

What area code is 45001?

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

What time zone is 45001 in?

45001 uses America/New_York.

How many people live in 45001?

About 904 people live in ZIP code 45001, in 321 households, at 1,062.3 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 45001?

$50,417 a year, against $71,389 across Ohio.

What ZIP codes are near 45001?

The closest are 45233 (2.6 mi), 45248 (3.3 mi), 41048 (3.6 mi), 45052 (3.6 mi) and 45033 (4 mi).

Is 45001 a PO Box ZIP code?

45001 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45001 ZIP Code — Addyston, Ohio (Hamilton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45001

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