40829
ZIP 40829 is Grays Knob, Kentucky, in Harlan County; area code 606; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Harlan
- Metro area
- none
- Population
- 62
- Coordinates
- 36.7961, -83.3023
Weather right now
Asking the National Weather Service…
Where 40829 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 40829 into a pocket calculator and turn it upside down: GZBOh — not quite a word, sorry.
- ➕ 40829 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1001111101111101 - 🏠 Its numerical neighbours: 40828 (Evarts, KY, 10 mi away) and 40830 (Gulston, KY, 2 mi away).
- 🔄 Backwards, 40829 becomes 92804 — and that is a real ZIP code: Anaheim, CA, 1,955 miles away.
- 👥 51 other ZIP codes are made of exactly the same digits (02894, 04289, 04928, 04982, 09248, 09824, …). The farthest-flung twin is 09824 in APO AE, a military post office, 6,004 miles away.
- 🧭 Farther south than 65% of all ZIP codes, and farther east than 62%.
- 🎯853 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 40829 and you would come out at 36.80°S, 96.70°E — 1,141 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 41m of daylight. Shortest: 9h 38m.
- 📏 At 5.2 square miles of land, 40829 is bigger than 19% of ZIP codes — room for about 4.0 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 62This ZIP62 |
|---|---|
| Households | 40This ZIP40 |
| Housing units | 40This ZIP40 |
| Median age | 59.8This ZIP59.8Kentucky39.1US 38.9 |
| Median household income | $56,154This ZIP$56,154Kentucky$63,726US $80,734 |
| Bachelor's degree or higher | 0.0% |
| Population density | 11.8 / sq miThis ZIP11.8 / sq mi |
Business and tax activity
| Business establishments | 5This ZIP5 |
|---|---|
| Employees | 125This ZIP125 |
| Annual payroll | $6,600,000This ZIP$6,600,000 |
Land area
| Land area | 5.25 sq miThis ZIP5.25 sq mi |
|---|---|
| Water area | 0.06 sq miThis ZIP0.06 sq mi |
ZIP codes near 40829
| ZIP | City | Distance |
|---|---|---|
40830 | Gulston, KY | 2.1 mi |
40964 | Mary Alice, KY | 2.2 mi |
40831 | Harlan, KY | 2.9 mi |
40818 | Coalgood, KY | 3.7 mi |
40815 | Cawood, KY | 3.9 mi |
40824 | Dayhoit, KY | 4.5 mi |
40854 | Loyall, KY | 4.7 mi |
40801 | Ages Brookside, KY | 5.0 mi |
40873 | Wallins Creek, KY | 5.5 mi |
24218 | Ben Hur, VA | 5.7 mi |
Find every ZIP code within 10 miles of 40829 →
Questions about this ZIP code
Where is ZIP code 40829?
40829 is in Grays Knob, Kentucky, in Harlan County. Its published point location is 36.7961, -83.3023.
What county is 40829 in?
40829 lies in Harlan County.
What area code is 40829?
Grays Knob uses area code 606, from NANPA's telephone records.
What time zone is 40829 in?
40829 uses America/New_York.
How many people live in 40829?
About 62 people live in ZIP code 40829, in 40 households, at 11.8 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 40829?
$56,154 a year, against $63,726 across Kentucky.
What ZIP codes are near 40829?
The closest are 40830 (2.1 mi), 40964 (2.2 mi), 40831 (2.9 mi), 40818 (3.7 mi) and 40815 (3.9 mi).
Is 40829 a PO Box ZIP code?
40829 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “40829 ZIP Code — Grays Knob, Kentucky (Harlan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40829
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/40829.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.