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Where 28431 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 28431 into a pocket calculator and turn it upside down: IEhBZ — not quite a word, sorry.
- ➕ As a number, 28,431 = 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110111100001111 - 🏠 Its numerical neighbours: 28430 (Cerro Gordo, NC, 6 mi away) and 28432 (Clarendon, NC, 11 mi away).
- 🔄 Backwards, 28431 becomes 13482 — and that is a real ZIP code: West Burlington, NY, 612 miles away.
- 👥 55 other ZIP codes are made of exactly the same digits (12438, 12483, 12834, 12843, 13428, 13482, …). The farthest-flung twin is 83214 in Arimo, ID, 1,884 miles away.
- 🧭 Farther south than 77% of all ZIP codes, and farther east than 77%.
- 🎯1,150 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 28431 and you would come out at 34.32°S, 101.16°E — 866 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 51m.
- 📏 At 78.5 square miles of land, 28431 is bigger than 72% of ZIP codes — room for about 60 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 5,901This ZIP5,901 |
|---|---|
| Households | 2,835This ZIP2,835 |
| Housing units | 3,279This ZIP3,279 |
| Median age | 49.4This ZIP49.4North Carolina39.1US 38.9 |
| Median household income | $40,888This ZIP$40,888North Carolina$72,388US $80,734 |
| Median home value | $136,000This ZIP$136,000North Carolina$288,900US $332,700 |
| Median gross rent | $767This ZIP$767North Carolina$1,228US $1,413 |
| Bachelor's degree or higher | 12.3%This ZIP12.3% |
| Mean commute | 36.6 minThis ZIP36.6 min |
| Population density | 75.2 / sq miThis ZIP75.2 / sq mi |
Business and tax activity
| Business establishments | 77This ZIP77 |
|---|---|
| Employees | 555This ZIP555 |
| Annual payroll | $16,793,000This ZIP$16,793,000 |
| Tax returns filed | 2,530This ZIP2,530 |
| Total adjusted gross income | $123,681,000This ZIP$123,681,000 |
Land area
| Land area | 78.49 sq miThis ZIP78.49 sq mi |
|---|---|
| Water area | 0.19 sq miThis ZIP0.19 sq mi |
Other place names in 28431
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 28431
| ZIP | City | Distance |
|---|---|---|
28430 | Cerro Gordo, NC | 5.5 mi |
28438 | Evergreen, NC | 8.1 mi |
28424 | Brunswick, NC | 8.5 mi |
28472 | Whiteville, NC | 8.8 mi |
28439 | Fair Bluff, NC | 9.2 mi |
28432 | Clarendon, NC | 11.4 mi |
29545 | Green Sea, SC | 12.7 mi |
28369 | Orrum, NC | 12.8 mi |
28319 | Barnesville, NC | 13.1 mi |
28442 | Hallsboro, NC | 13.9 mi |
Find every ZIP code within 10 miles of 28431 →
Questions about this ZIP code
Where is ZIP code 28431?
28431 is in Chadbourn, North Carolina, in Columbus County. Its published point location is 34.3174, -78.8445.
What county is 28431 in?
28431 lies in Columbus County.
What area code is 28431?
Chadbourn uses area code 910, from NANPA's telephone records.
What time zone is 28431 in?
28431 uses America/New_York.
How many people live in 28431?
About 5,901 people live in ZIP code 28431, in 2,835 households, at 75.2 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 28431?
$40,888 a year, against $72,388 across North Carolina.
What ZIP codes are near 28431?
The closest are 28430 (5.5 mi), 28438 (8.1 mi), 28424 (8.5 mi), 28472 (8.8 mi) and 28439 (9.2 mi).
Is 28431 a PO Box ZIP code?
28431 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “28431 ZIP Code — Chadbourn, North Carolina (Columbus County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/28431
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/28431.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.