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Where 41855 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 41855 into a pocket calculator and turn it upside down: SSBIh — not quite a word, sorry.
- ➕ As a number, 41,855 = 5 × 11 × 761. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010001101111111 - 🏠 Its numerical neighbours: 41849 (Seco, KY, 3 mi away) and 41858 (Whitesburg, KY, 5 mi away).
- 🔄 Backwards, 41855 becomes 55814 — and that is a real ZIP code: Duluth, MN, 823 miles away.
- 👥 23 other ZIP codes are made of exactly the same digits (14558, 14585, 14855, 15458, 15485, 15548, …). The farthest-flung twin is 85145 in Red Rock, AZ, 1,647 miles away.
- 🧭 Farther south than 63% of all ZIP codes, and farther east than 64%.
- 🎯872 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 41855 and you would come out at 37.17°S, 97.22°E — 1,118 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 43m of daylight. Shortest: 9h 36m.
- 📏 At 7.4 square miles of land, 41855 is bigger than 23% of ZIP codes — room for about 5.7 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 711This ZIP711 |
|---|---|
| Households | 315This ZIP315 |
| Housing units | 396This ZIP396 |
| Median age | 52.7This ZIP52.7Kentucky39.1US 38.9 |
| Median household income | $59,132This ZIP$59,132Kentucky$63,726US $80,734 |
| Median home value | $44,000This ZIP$44,000Kentucky$205,600US $332,700 |
| Bachelor's degree or higher | 6.0%This ZIP6.0% |
| Mean commute | 29.2 minThis ZIP29.2 min |
| Population density | 95.5 / sq miThis ZIP95.5 / sq mi |
Business and tax activity
| Tax returns filed | 160This ZIP160 |
|---|---|
| Total adjusted gross income | $6,893,000This ZIP$6,893,000 |
Land area
| Land area | 7.45 sq miThis ZIP7.45 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
ZIP codes near 41855
| ZIP | City | Distance |
|---|---|---|
41815 | Ermine, KY | 1.9 mi |
41838 | Millstone, KY | 2.4 mi |
41849 | Seco, KY | 2.8 mi |
41837 | Mayking, KY | 3.7 mi |
41840 | Neon, KY | 3.8 mi |
41858 | Whitesburg, KY | 4.8 mi |
41824 | Isom, KY | 5.2 mi |
41812 | Deane, KY | 5.7 mi |
41825 | Jackhorn, KY | 5.7 mi |
41810 | Cromona, KY | 6.1 mi |
Find every ZIP code within 10 miles of 41855 →
Questions about this ZIP code
Where is ZIP code 41855?
41855 is in Thornton, Kentucky, in Letcher County. Its published point location is 37.1750, -82.7826.
What county is 41855 in?
41855 lies in Letcher County.
What area code is 41855?
Thornton uses area code 606, from NANPA's telephone records.
What time zone is 41855 in?
41855 uses America/New_York.
How many people live in 41855?
About 711 people live in ZIP code 41855, in 315 households, at 95.5 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 41855?
$59,132 a year, against $63,726 across Kentucky.
What ZIP codes are near 41855?
The closest are 41815 (1.9 mi), 41838 (2.4 mi), 41849 (2.8 mi), 41837 (3.7 mi) and 41840 (3.8 mi).
Is 41855 a PO Box ZIP code?
41855 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “41855 ZIP Code — Thornton, Kentucky (Letcher County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/41855
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/41855.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.