45423
ZIP 45423 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
- Metro area
- Dayton-Kettering-Beavercreek, OH
- Population
- 0
- Coordinates
- 39.7604, -84.1911
Weather right now
Asking the National Weather Service…
Where 45423 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.
- 🔢 Type 45423 into a pocket calculator and turn it upside down: EZhSh — not quite a word, sorry.
- ➕ As a number, 45,423 = 3 × 3 × 7 × 7 × 103. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011000101101111 - 🏠 Its numerical neighbours: 45422 (Dayton, OH, 1 mi away) and 45424 (Dayton, OH, 8 mi away).
- 🔄 Backwards, 45423 becomes 32454, which is not a ZIP code at all.
- 👥 31 other ZIP codes are made of exactly the same digits (23454, 24354, 24435, 24534, 24543, 25434, …). The farthest-flung twin is 34452 in Inverness, FL, 767 miles away.
- 🧭 Farther north than 54% of all ZIP codes, and farther east than 59%.
- 🎯763 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45423 and you would come out at 39.76°S, 95.81°E — 1,242 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
- 📏 At 0.010 square miles of land, 45423 is bigger than 0% of ZIP codes — about 5 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 0 |
| Population density | 0.0 / sq mi |
Business and tax activity
| Business establishments | 25This ZIP25 |
|---|---|
| Employees | 689This ZIP689 |
| Annual payroll | $63,909,000This ZIP$63,909,000 |
Land area
| Land area | 0.01 sq miThis ZIP0.01 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 45423
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 45423
| ZIP | City | Distance |
|---|---|---|
45412 | Dayton, OH | 0.1 mi |
45422 | Dayton, OH | 0.5 mi |
45402 | Dayton, OH | 0.9 mi |
45469 | Dayton, OH | 1.5 mi |
45479 | Dayton, OH | 1.8 mi |
45410 | Dayton, OH | 1.9 mi |
45403 | Dayton, OH | 2.2 mi |
45405 | Dayton, OH | 2.6 mi |
45409 | Dayton, OH | 2.7 mi |
45404 | Dayton, OH | 2.8 mi |
Find every ZIP code within 10 miles of 45423 →
Questions about this ZIP code
Where is ZIP code 45423?
45423 is in Dayton, Ohio, in Montgomery County, part of the Dayton-Kettering-Beavercreek, OH metropolitan area. Its published point location is 39.7604, -84.1911.
What county is 45423 in?
45423 lies in Montgomery County.
What area code is 45423?
Dayton uses area codes 937 and 326, from NANPA's telephone records.
What time zone is 45423 in?
45423 uses America/New_York.
How many people live in 45423?
About 0 people live in ZIP code 45423. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 45423?
The closest are 45412 (0.1 mi), 45422 (0.5 mi), 45402 (0.9 mi), 45469 (1.5 mi) and 45479 (1.8 mi).
Is 45423 a PO Box ZIP code?
45423 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45423 ZIP Code — Dayton, Ohio (Montgomery County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45423
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45423.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.