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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/45003

45003

ZIP 45003 is College Corner, Ohio, mostly in Preble County; Eastern time.

Type
Standard
Time zone
America/New_York
County
Preble +1 more
Metro area
none
Population
839
Coordinates
39.5866, -84.7865
☼ Live from 45003 — College Corner, OH

Weather right now

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Local time: —

Where 45003 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 45003
  • 🔢 Type 45003 into a pocket calculator and turn it upside down: EOOSh — not quite a word, sorry.
  • ➕ As a number, 45,003 = 3 × 7 × 2143. Its digits add up to 12, a total 940 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010111111001011
  • 🏠 Its numerical neighbours: 45002 (Cleves, OH, 27 mi away) and 45004 (Collinsville, OH, 11 mi away).
  • 🔄 Backwards, 45003 becomes 30054 — and that is a real ZIP code: Oxford, GA, 411 miles away.
  • 👥 32 other ZIP codes are made of exactly the same digits (03045, 03054, 03450, 04350, 04530, 05034, …). The farthest-flung twin is 34005 in APO AA, a military post office, 2,115 miles away.
  • 🧭 Farther north than 53% of all ZIP codes, and farther east than 57%.
  • 🎯733 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45003 and you would come out at 39.59°S, 95.21°E — 1,268 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
  • 📏 At 15.2 square miles of land, 45003 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
🌙 The sky over 45003 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population839This ZIP839
Households392This ZIP392
Housing units437This ZIP437
Median age42.7This ZIP42.7Ohio39.7US 38.9
Median household income$71,250This ZIP$71,250Ohio$71,389US $80,734
Median home value$168,800This ZIP$168,800Ohio$214,800US $332,700
Median gross rent$760This ZIP$760Ohio$1,034US $1,413
Bachelor's degree or higher30.6%This ZIP30.6%
Mean commute27.7 minThis ZIP27.7 min
Population density55.2 / sq miThis ZIP55.2 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees124This ZIP124
Annual payroll$3,391,000This ZIP$3,391,000
Tax returns filed440This ZIP440
Total adjusted gross income$24,074,000This ZIP$24,074,000

Land area

Land area15.21 sq miThis ZIP15.21 sq mi
Water area0.86 sq miThis ZIP0.86 sq mi

Counties 45003 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Preble County 81.2%
Butler County 18.8%

Other place names in 45003

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

ZIP codes near 45003

ZIPCityDistance
47003 West College Corner, IN 3.2 mi
47010 Bath, IN 6.7 mi
45056 Oxford, OH 7.3 mi
45311 Camden, OH 7.4 mi
47353 Liberty, IN 7.8 mi
45064 Somerville, OH 9.4 mi
45004 Collinsville, OH 10.6 mi
47324 Boston, IN 11.2 mi
45070 West Elkton, OH 12.2 mi
45320 Eaton, OH 12.6 mi

Find every ZIP code within 10 miles of 45003 →

Questions about this ZIP code

Where is ZIP code 45003?

45003 is in College Corner, Ohio, in Preble County. Its published point location is 39.5866, -84.7865.

What county is 45003 in?

45003 spans 2 counties: Preble County and Butler County. Most of it falls in Preble County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What time zone is 45003 in?

45003 uses America/New_York.

How many people live in 45003?

About 839 people live in ZIP code 45003, in 392 households, at 55.2 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 45003?

$71,250 a year, against $71,389 across Ohio.

What ZIP codes are near 45003?

The closest are 47003 (3.2 mi), 47010 (6.7 mi), 45056 (7.3 mi), 45311 (7.4 mi) and 47353 (7.8 mi).

Is 45003 a PO Box ZIP code?

45003 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “45003 ZIP Code — College Corner, Ohio (Preble County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45003

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45003.json

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