40440
ZIP 40440 is Junction City, Kentucky, mostly in Boyle County; area code 859; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Boyle +1 more
- Metro area
- Danville, KY
- Population
- 2,428
- Coordinates
- 37.5792, -84.8404
Weather right now
Asking the National Weather Service…
Where 40440 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 40440 into a pocket calculator and turn it upside down: OhhOh — not quite a word, sorry.
- ➕ As a number, 40,440 = 2 × 2 × 2 × 3 × 5 × 337. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001110111111000 - 🏠 Its numerical neighbours: 40437 (Hustonville, KY, 8 mi away) and 40442 (Kings Mountain, KY, 17 mi away).
- 🔄 Backwards, 40440 becomes 04404, which is not a ZIP code at all.
- 👥 3 other ZIP codes are made of exactly the same digits (40404, 44004, 44040). The farthest-flung twin is 44004 in Ashtabula, OH, 365 miles away.
- 🧭 Farther south than 61% of all ZIP codes, and farther east than 57%.
- 🎯756 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40440 and you would come out at 37.58°S, 95.16°E — 1,235 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 46m of daylight. Shortest: 9h 34m.
- 📏 At 13.2 square miles of land, 40440 is bigger than 31% of ZIP codes — room for about 10 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,428This ZIP2,428 |
|---|---|
| Households | 950This ZIP950 |
| Housing units | 1,065This ZIP1,065 |
| Median age | 37.9This ZIP37.9Kentucky39.1US 38.9 |
| Median household income | $54,500This ZIP$54,500Kentucky$63,726US $80,734 |
| Median home value | $134,700This ZIP$134,700Kentucky$205,600US $332,700 |
| Median gross rent | $983This ZIP$983Kentucky$967US $1,413 |
| Bachelor's degree or higher | 19.5%This ZIP19.5% |
| Mean commute | 30.3 minThis ZIP30.3 min |
| Population density | 183.8 / sq miThis ZIP183.8 / sq mi |
Business and tax activity
| Business establishments | 24This ZIP24 |
|---|---|
| Employees | 139This ZIP139 |
| Annual payroll | $4,236,000This ZIP$4,236,000 |
| Tax returns filed | 980This ZIP980 |
| Total adjusted gross income | $48,890,000This ZIP$48,890,000 |
Land area
| Land area | 13.21 sq miThis ZIP13.21 sq mi |
|---|---|
| Water area | 0.05 sq miThis ZIP0.05 sq mi |
Counties 40440 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Boyle County | 99.9% |
| Lincoln County | 0.1% |
Other place names in 40440
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 40440
| ZIP | City | Distance |
|---|---|---|
40464 | Parksville, KY | 4.7 mi |
40422 | Danville, KY | 4.9 mi |
40423 | Danville, KY | 5.9 mi |
40452 | Mitchellsburg, KY | 6.2 mi |
40437 | Hustonville, KY | 8.4 mi |
40468 | Perryville, KY | 9.2 mi |
40328 | Gravel Switch, KY | 9.4 mi |
40448 | Mc Kinney, KY | 9.6 mi |
40484 | Stanford, KY | 10.0 mi |
40310 | Burgin, KY | 12.4 mi |
Find every ZIP code within 10 miles of 40440 →
Questions about this ZIP code
Where is ZIP code 40440?
40440 is in Junction City, Kentucky, in Boyle County, part of the Danville, KY micropolitan area. Its published point location is 37.5792, -84.8404.
What county is 40440 in?
40440 spans 2 counties: Boyle County and Lincoln County. Most of it falls in Boyle 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 area code is 40440?
Junction City uses area code 859, from NANPA's telephone records.
What time zone is 40440 in?
40440 uses America/New_York.
How many people live in 40440?
About 2,428 people live in ZIP code 40440, in 950 households, at 183.8 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 40440?
$54,500 a year, against $63,726 across Kentucky.
What ZIP codes are near 40440?
The closest are 40464 (4.7 mi), 40422 (4.9 mi), 40423 (5.9 mi), 40452 (6.2 mi) and 40437 (8.4 mi).
Is 40440 a PO Box ZIP code?
40440 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40440 ZIP Code — Junction City, Kentucky (Boyle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40440
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40440.json Underlying data is public domain or openly licensed — sources, vintages and licences.