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/45402

45402

ZIP 45402 is in Dayton, Ohio, in Montgomery County; area codes 937 and 326; Eastern time. Dayton has 43 ZIP codes in all.

Type
Standard
Time zone
America/New_York
County
Montgomery
Population
9,407
Coordinates
39.7601, -84.2076
☼ Live from 45402 — Dayton, OH

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 45402 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 45402
  • 🔢 Type 45402 into a pocket calculator and turn it upside down: ZOhSh — not quite a word, sorry.
  • ➕ As a number, 45,402 = 2 × 3 × 7 × 23 × 47. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000101011010
  • 🏠 Its numerical neighbours: 45401 (Dayton, OH, 3 mi away) and 45403 (Dayton, OH, 3 mi away).
  • 🔄 Backwards, 45402 becomes 20454, which is not a ZIP code at all.
  • 👥 34 other ZIP codes are made of exactly the same digits (02445, 02454, 04254, 05442, 20544, 24054, …). The farthest-flung twin is 04254 in Livermore Falls, ME, 789 miles away.
  • 🧭 Farther north than 54% of all ZIP codes, and farther east than 59%.
  • 🎯762 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45402 and you would come out at 39.76°S, 95.79°E — 1,243 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
  • 📏 At 4.4 square miles of land, 45402 is bigger than 18% of ZIP codes — room for about 3.3 Central Parks.
🌙 The sky over 45402 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,407This ZIP9,407
Households4,602This ZIP4,602
Housing units6,434This ZIP6,434
Median age36.2This ZIP36.2Ohio39.7US 38.9
Median household income$48,401This ZIP$48,401Ohio$71,389US $80,734
Median home value$135,700This ZIP$135,700Ohio$214,800US $332,700
Median gross rent$1,015This ZIP$1,015Ohio$1,034US $1,413
Bachelor's degree or higher31.0%This ZIP31.0%
Mean commute19.2 minThis ZIP19.2 min
Population density2,154.6 / sq miThis ZIP2,154.6 / sq mi

Business and tax activity

Business establishments698This ZIP698
Employees22,596This ZIP22,596
Annual payroll$1,583,375,000This ZIP$1,583,375,000
Tax returns filed4,510This ZIP4,510
Total adjusted gross income$239,377,000This ZIP$239,377,000

Land area

Land area4.37 sq miThis ZIP4.37 sq mi
Water area0.14 sq miThis ZIP0.14 sq mi

Other place names in 45402

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

ZIP codes near 45402

ZIPCityDistance
45422 Dayton, OH 0.4 mi
45412 Dayton, OH 0.9 mi
45423 Dayton, OH 0.9 mi
45479 Dayton, OH 1.9 mi
45469 Dayton, OH 2.0 mi
45405 Dayton, OH 2.3 mi
45406 Dayton, OH 2.5 mi
45410 Dayton, OH 2.7 mi
45409 Dayton, OH 2.9 mi
45428 Dayton, OH 3.0 mi

Find every ZIP code within 10 miles of 45402 →

Questions about this ZIP code

Where is ZIP code 45402?

45402 is in Dayton, Ohio, in Montgomery County, part of the Dayton-Kettering-Beavercreek, OH metropolitan area. Its published point location is 39.7601, -84.2076.

What county is 45402 in?

45402 lies in Montgomery County.

What area code is 45402?

Dayton uses area codes 937 and 326, from NANPA's telephone records.

What time zone is 45402 in?

45402 uses America/New_York.

How many people live in 45402?

About 9,407 people live in ZIP code 45402, in 4,602 households, at 2,154.6 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 45402?

$48,401 a year, against $71,389 across Ohio.

What ZIP codes are near 45402?

The closest are 45422 (0.4 mi), 45412 (0.9 mi), 45423 (0.9 mi), 45479 (1.9 mi) and 45469 (2 mi).

Is 45402 a PO Box ZIP code?

45402 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “45402 ZIP Code — Dayton, Ohio (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45402

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45402.json

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