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Where 41821 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 41821 into a pocket calculator and turn it upside down: IZBIh — not quite a word, sorry.
- ➕ As a number, 41,821 = 13 × 3217. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1010001101011101 - 🏠 Its numerical neighbours: 41819 (Gordon, KY, 7 mi away) and 41822 (Hindman, KY, 18 mi away).
- 🔄 Backwards, 41821 becomes 12814 — and that is a real ZIP code: Bolton Landing, NY, 670 miles away.
- 👥 28 other ZIP codes are made of exactly the same digits (11428, 12148, 12184, 12418, 12481, 12814, …). The farthest-flung twin is 84112 in Salt Lake City, UT, 1,564 miles away.
- 🧭 Farther south than 64% of all ZIP codes, and farther east than 63%.
- 🎯863 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 41821 and you would come out at 37.06°S, 96.99°E — 1,129 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 43m of daylight. Shortest: 9h 37m.
- 📏 At 24.7 square miles of land, 41821 is bigger than 41% of ZIP codes — room for about 19 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 363This ZIP363 |
|---|---|
| Households | 147This ZIP147 |
| Housing units | 222This ZIP222 |
| Median age | 47.0This ZIP47.0Kentucky39.1US 38.9 |
| Median home value | $112,500This ZIP$112,500Kentucky$205,600US $332,700 |
| Bachelor's degree or higher | 39.4%This ZIP39.4% |
| Population density | 14.7 / sq miThis ZIP14.7 / sq mi |
Business and tax activity
| Tax returns filed | 120This ZIP120 |
|---|---|
| Total adjusted gross income | $5,833,000This ZIP$5,833,000 |
Land area
| Land area | 24.65 sq miThis ZIP24.65 sq mi |
|---|---|
| Water area | 0.10 sq miThis ZIP0.10 sq mi |
ZIP codes near 41821
| ZIP | City | Distance |
|---|---|---|
41833 | Linefork, KY | 2.8 mi |
41731 | Cornettsville, KY | 4.3 mi |
41735 | Delphia, KY | 5.7 mi |
41848 | Roxana, KY | 5.8 mi |
41763 | Slemp, KY | 5.8 mi |
41804 | Blackey, KY | 6.4 mi |
40823 | Cumberland, KY | 7.1 mi |
41819 | Gordon, KY | 7.1 mi |
40807 | Benham, KY | 7.3 mi |
41832 | Letcher, KY | 8.2 mi |
Find every ZIP code within 10 miles of 41821 →
Questions about this ZIP code
Where is ZIP code 41821?
41821 is in Hallie, Kentucky, in Letcher County. Its published point location is 37.0591, -83.0148.
What county is 41821 in?
41821 lies in Letcher County.
What area code is 41821?
Hallie uses area code 606, from NANPA's telephone records.
What time zone is 41821 in?
41821 uses America/New_York.
How many people live in 41821?
About 363 people live in ZIP code 41821, in 147 households, at 14.7 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 41821?
The closest are 41833 (2.8 mi), 41731 (4.3 mi), 41735 (5.7 mi), 41848 (5.8 mi) and 41763 (5.8 mi).
Is 41821 a PO Box ZIP code?
41821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “41821 ZIP Code — Hallie, Kentucky (Letcher County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/41821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/41821.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.