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/42451

42451

ZIP 42451 is Reed, Kentucky, in Henderson County; area code 270; Central time.

Type
Standard
Time zone
America/Chicago
County
Henderson
Metro area
Henderson, KY
Population
600
Coordinates
37.8845, -87.3907
☼ Live from 42451 — Reed, KY

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 42451 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 42451
  • 🔢 Type 42451 into a pocket calculator and turn it upside down: IShZh — not quite a word, sorry.
  • ➕ 42451 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010010111010011
  • 🏠 Its numerical neighbours: 42450 (Providence, KY, 40 mi away) and 42452 (Robards, KY, 16 mi away).
  • 🔄 Backwards, 42451 becomes 15424 — and that is a real ZIP code: Confluence, PA, 452 miles away.
  • 👥 35 other ZIP codes are made of exactly the same digits (12454, 12544, 14425, 14452, 14542, 15244, …). The farthest-flung twin is 12544 in Mellenville, NY, 785 miles away.
  • 🧭 Farther south than 59% of all ZIP codes, and farther east than 50%.
  • 🎯616 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 42451 and you would come out at 37.88°S, 92.61°E — 1,363 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 32m.
  • 📏 At 39.3 square miles of land, 42451 is bigger than 53% of ZIP codes — room for about 30 Central Parks.
🌙 The sky over 42451 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population600This ZIP600
Households220This ZIP220
Housing units220This ZIP220
Median age28.7This ZIP28.7Kentucky39.1US 38.9
Median household income$57,100This ZIP$57,100Kentucky$63,726US $80,734
Median home value$190,500This ZIP$190,500Kentucky$205,600US $332,700
Median gross rent$1,315This ZIP$1,315Kentucky$967US $1,413
Bachelor's degree or higher22.2%This ZIP22.2%
Mean commute19.4 minThis ZIP19.4 min
Population density15.3 / sq miThis ZIP15.3 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees10This ZIP10
Annual payroll$281,000This ZIP$281,000
Tax returns filed270This ZIP270
Total adjusted gross income$15,242,000This ZIP$15,242,000

Land area

Land area39.30 sq miThis ZIP39.30 sq mi
Water area1.15 sq miThis ZIP1.15 sq mi

ZIP codes near 42451

ZIPCityDistance
42458 Spottsville, KY 3.1 mi
42402 Baskett, KY 4.0 mi
47630 Newburgh, IN 5.3 mi
47715 Evansville, IN 7.8 mi
47617 Hatfield, IN 7.8 mi
47750 Evansville, IN 8.2 mi
47714 Evansville, IN 8.7 mi
42420 Henderson, KY 9.0 mi
47713 Evansville, IN 10.0 mi
47722 Evansville, IN 10.2 mi

Find every ZIP code within 10 miles of 42451 →

Questions about this ZIP code

Where is ZIP code 42451?

42451 is in Reed, Kentucky, in Henderson County, part of the Henderson, KY micropolitan area. Its published point location is 37.8845, -87.3907.

What county is 42451 in?

42451 lies in Henderson County.

What area code is 42451?

Reed uses area code 270, from NANPA's telephone records.

What time zone is 42451 in?

42451 uses America/Chicago.

How many people live in 42451?

About 600 people live in ZIP code 42451, in 220 households, at 15.3 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 42451?

$57,100 a year, against $63,726 across Kentucky.

What ZIP codes are near 42451?

The closest are 42458 (3.1 mi), 42402 (4 mi), 47630 (5.3 mi), 47715 (7.8 mi) and 47617 (7.8 mi).

Is 42451 a PO Box ZIP code?

42451 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “42451 ZIP Code — Reed, Kentucky (Henderson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/42451

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/42451.json

Underlying data is public domain or openly licensed — sources, vintages and licences.