40456
ZIP 40456 is Mount Vernon, Kentucky, in Rockcastle County; area code 606; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Rockcastle
- Metro area
- Richmond-Berea, KY
- Population
- 8,370
- Coordinates
- 37.3535, -84.3195
Weather right now
Asking the National Weather Service…
Where 40456 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 40456 into a pocket calculator and turn it upside down: gShOh — not quite a word, sorry.
- ➕ As a number, 40,456 = 2 × 2 × 2 × 13 × 389. Its digits add up to 19, a total 2,454 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001111000001000 - 🏠 Its numerical neighbours: 40452 (Mitchellsburg, KY, 39 mi away) and 40460 (Orlando, KY, 5 mi away).
- 🔄 Backwards, 40456 becomes 65404, which is not a ZIP code at all.
- 👥 32 other ZIP codes are made of exactly the same digits (04456, 04564, 04645, 04654, 05446, 05464, …). The farthest-flung twin is 04654 in Machias, ME, 1,010 miles away.
- 🧭 Farther south than 62% of all ZIP codes, and farther east than 59%.
- 🎯788 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40456 and you would come out at 37.35°S, 95.68°E — 1,203 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 44m of daylight. Shortest: 9h 35m.
- 📏 At 162.7 square miles of land, 40456 is bigger than 88% of ZIP codes — room for about 124 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,370This ZIP8,370 |
|---|---|
| Households | 3,645This ZIP3,645 |
| Housing units | 4,054This ZIP4,054 |
| Median age | 48.0This ZIP48.0Kentucky39.1US 38.9 |
| Median household income | $46,907This ZIP$46,907Kentucky$63,726US $80,734 |
| Median home value | $156,300This ZIP$156,300Kentucky$205,600US $332,700 |
| Median gross rent | $648This ZIP$648Kentucky$967US $1,413 |
| Bachelor's degree or higher | 16.7%This ZIP16.7% |
| Mean commute | 24.1 minThis ZIP24.1 min |
| Population density | 51.4 / sq miThis ZIP51.4 / sq mi |
Business and tax activity
| Business establishments | 166This ZIP166 |
|---|---|
| Employees | 2,775This ZIP2,775 |
| Annual payroll | $112,388,000This ZIP$112,388,000 |
| Tax returns filed | 3,460This ZIP3,460 |
| Total adjusted gross income | $180,105,000This ZIP$180,105,000 |
Land area
| Land area | 162.75 sq miThis ZIP162.75 sq mi |
|---|---|
| Water area | 0.85 sq miThis ZIP0.85 sq mi |
Other place names in 40456
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 40456
| ZIP | City | Distance |
|---|---|---|
40473 | Renfro Valley, KY | 2.5 mi |
40460 | Orlando, KY | 4.7 mi |
40492 | Wildie, KY | 4.9 mi |
40445 | Livingston, KY | 6.2 mi |
40409 | Brodhead, KY | 6.4 mi |
40419 | Crab Orchard, KY | 11.0 mi |
40729 | East Bernstadt, KY | 11.7 mi |
40481 | Sandgap, KY | 14.3 mi |
40405 | Bighill, KY | 15.2 mi |
40404 | Berea, KY | 15.3 mi |
Find every ZIP code within 10 miles of 40456 →
Questions about this ZIP code
Where is ZIP code 40456?
40456 is in Mount Vernon, Kentucky, in Rockcastle County, part of the Richmond-Berea, KY micropolitan area. Its published point location is 37.3535, -84.3195.
What county is 40456 in?
40456 lies in Rockcastle County.
What area code is 40456?
Mount Vernon uses area code 606, from NANPA's telephone records.
What time zone is 40456 in?
40456 uses America/New_York.
How many people live in 40456?
About 8,370 people live in ZIP code 40456, in 3,645 households, at 51.4 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 40456?
$46,907 a year, against $63,726 across Kentucky.
What ZIP codes are near 40456?
The closest are 40473 (2.5 mi), 40460 (4.7 mi), 40492 (4.9 mi), 40445 (6.2 mi) and 40409 (6.4 mi).
Is 40456 a PO Box ZIP code?
40456 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40456 ZIP Code — Mount Vernon, Kentucky (Rockcastle County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40456
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40456.json Underlying data is public domain or openly licensed — sources, vintages and licences.