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/42304

42304

ZIP 42304 is in Owensboro, Kentucky, in Daviess County; area codes 270 and 364; Central time. Owensboro has 4 ZIP codes; the others are 42301, 42302 and 42303.

Type
No street area
Time zone
America/Chicago
County
Daviess
Metro area
Owensboro, KY
Coordinates
37.7455, -87.1128

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 42303, whose figures describe that area — not this ZIP code.

☼ Live from 42304 — Owensboro, KY

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Where 42304 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 42304
  • 🔢 Type 42304 into a pocket calculator and turn it upside down: hOEZh — not quite a word, sorry.
  • ➕ As a number, 42,304 = 2 × 2 × 2 × 2 × 2 × 2 × 661. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010101000000
  • 🏠 Its numerical neighbours: 42303 (Owensboro, KY, 3 mi away) and 42320 (Beaver Dam, KY, 32 mi away).
  • 🔄 Backwards, 42304 becomes 40324 — and that is a real ZIP code: Georgetown, KY, 144 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (02344, 03244, 03442, 04234, 04243, 04342, …). The farthest-flung twin is 34042 in APO AA, a military post office, 1,615 miles away.
  • 🧭 Farther south than 60% of all ZIP codes, and farther east than 51%.
  • 🎯634 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42304 and you would come out at 37.75°S, 92.89°E — 1,359 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 47m of daylight. Shortest: 9h 33m.
🌙 The sky over 42304 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments12This ZIP12
Employees310This ZIP310
Annual payroll$22,490,000This ZIP$22,490,000

Land area

ZIP codes near 42304

ZIPCityDistance
42302 Owensboro, KY 0.0 mi
42303 Owensboro, KY 3.4 mi
42301 Owensboro, KY 7.5 mi
42376 Utica, KY 8.9 mi
47635 Rockport, IN 9.6 mi
42366 Philpot, KY 9.7 mi
42355 Maceo, KY 10.0 mi
42377 West Louisville, KY 10.1 mi
42334 Curdsville, KY 12.0 mi
42356 Maple Mount, KY 12.0 mi

Find every ZIP code within 10 miles of 42304 →

Questions about this ZIP code

Where is ZIP code 42304?

42304 is in Owensboro, Kentucky, in Daviess County, part of the Owensboro, KY metropolitan area. Its published point location is 37.7455, -87.1128.

What county is 42304 in?

42304 lies in Daviess County.

What area code is 42304?

Owensboro uses area codes 270 and 364, from NANPA's telephone records.

What time zone is 42304 in?

42304 uses America/Chicago.

What ZIP codes are near 42304?

The closest are 42302 (0 mi), 42303 (3.4 mi), 42301 (7.5 mi), 42376 (8.9 mi) and 47635 (9.6 mi).

Is 42304 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. “42304 ZIP Code — Owensboro, Kentucky (Daviess County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42304

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curl https://zipcodes.pro/zip/42304.json

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