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Where 23821 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 23821 into a pocket calculator and turn it upside down: IZBEZ — not quite a word, sorry.
- ➕ As a number, 23,821 = 7 × 41 × 83. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
101110100001101 - 🏠 Its numerical neighbours: 23806 (Virginia State University, VA, 38 mi away) and 23822 (Ammon, VA, 20 mi away).
- 🔄 Backwards, 23821 becomes 12832 — and that is a real ZIP code: Granville, NY, 509 miles away.
- 👥 29 other ZIP codes are made of exactly the same digits (12238, 12823, 12832, 18223, 18232, 18322, …). The farthest-flung twin is 83212 in Arbon, ID, 1,868 miles away.
- 🧭 Farther south than 65% of all ZIP codes, and farther east than 79%.
- 🎯1,135 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 23821 and you would come out at 36.88°S, 102.09°E — 855 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 42m of daylight. Shortest: 9h 38m.
- 📏 At 67.4 square miles of land, 23821 is bigger than 68% of ZIP codes — room for about 51 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 1,983This ZIP1,983 |
|---|---|
| Households | 734This ZIP734 |
| Housing units | 890This ZIP890 |
| Median age | 38.6This ZIP38.6Virginia39.0US 38.9 |
| Median household income | $46,336This ZIP$46,336Virginia$93,170US $80,734 |
| Median home value | $98,500This ZIP$98,500Virginia$383,700US $332,700 |
| Median gross rent | $709This ZIP$709Virginia$1,579US $1,413 |
| Bachelor's degree or higher | 11.6%This ZIP11.6% |
| Mean commute | 32.1 minThis ZIP32.1 min |
| Population density | 29.4 / sq miThis ZIP29.4 / sq mi |
Business and tax activity
| Business establishments | 27This ZIP27 |
|---|---|
| Employees | 221This ZIP221 |
| Annual payroll | $11,287,000This ZIP$11,287,000 |
| Tax returns filed | 640This ZIP640 |
| Total adjusted gross income | $33,040,000This ZIP$33,040,000 |
Land area
| Land area | 67.40 sq miThis ZIP67.40 sq mi |
|---|---|
| Water area | 0.10 sq miThis ZIP0.10 sq mi |
Other place names in 23821
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 23821
| ZIP | City | Distance |
|---|---|---|
23938 | Dundas, VA | 5.4 mi |
23873 | Meredithville, VA | 5.6 mi |
23843 | Dolphin, VA | 6.0 mi |
23876 | Rawlings, VA | 6.7 mi |
23889 | Warfield, VA | 9.3 mi |
23920 | Brodnax, VA | 11.5 mi |
23872 | Mc Kenney, VA | 12.4 mi |
23944 | Kenbridge, VA | 12.7 mi |
23856 | Freeman, VA | 13.1 mi |
23868 | Lawrenceville, VA | 13.7 mi |
Find every ZIP code within 10 miles of 23821 →
Questions about this ZIP code
Where is ZIP code 23821?
23821 is in Alberta, Virginia, in Brunswick County. Its published point location is 36.8832, -77.9129.
What county is 23821 in?
23821 lies in Brunswick County.
What area code is 23821?
Alberta uses area code 434, from NANPA's telephone records.
What time zone is 23821 in?
23821 uses America/New_York.
How many people live in 23821?
About 1,983 people live in ZIP code 23821, in 734 households, at 29.4 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 23821?
$46,336 a year, against $93,170 across Virginia.
What ZIP codes are near 23821?
The closest are 23938 (5.4 mi), 23873 (5.6 mi), 23843 (6 mi), 23876 (6.7 mi) and 23889 (9.3 mi).
Is 23821 a PO Box ZIP code?
23821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “23821 ZIP Code — Alberta, Virginia (Brunswick County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/23821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/23821.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.