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Where 28640 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 28640 into a pocket calculator and turn it upside down: OhgBZ — not quite a word, sorry.
- ➕ As a number, 28,640 = 2 × 2 × 2 × 2 × 2 × 5 × 179. Its digits add up to 20, a total 2,586 other ZIP codes share.
- 💾In binary, the way a computer stores it:
110111111100000 - 🏠 Its numerical neighbours: 28638 (Hudson, NC, 39 mi away) and 28641 (Jonas Ridge, NC, 41 mi away).
- 🔄 Backwards, 28640 becomes 04682, which is not a ZIP code at all.
- 👥 62 other ZIP codes are made of exactly the same digits (02468, 02648, 02864, 04268, 04286, 04628, …). The farthest-flung twin is 86402 in Kingman, AZ, 1,823 miles away.
- 🧭 Farther south than 67% of all ZIP codes, and farther east than 69%.
- 🎯962 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 28640 and you would come out at 36.40°S, 98.60°E — 1,032 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
- 📏 At 37.1 square miles of land, 28640 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 4,820This ZIP4,820 |
|---|---|
| Households | 2,076This ZIP2,076 |
| Housing units | 2,875This ZIP2,875 |
| Median age | 51.7This ZIP51.7North Carolina39.1US 38.9 |
| Median household income | $53,155This ZIP$53,155North Carolina$72,388US $80,734 |
| Median home value | $282,900This ZIP$282,900North Carolina$288,900US $332,700 |
| Median gross rent | $797This ZIP$797North Carolina$1,228US $1,413 |
| Bachelor's degree or higher | 22.0%This ZIP22.0% |
| Mean commute | 19.7 minThis ZIP19.7 min |
| Population density | 130.1 / sq miThis ZIP130.1 / sq mi |
Business and tax activity
| Business establishments | 152This ZIP152 |
|---|---|
| Employees | 2,394This ZIP2,394 |
| Annual payroll | $125,338,000This ZIP$125,338,000 |
| Tax returns filed | 2,120This ZIP2,120 |
| Total adjusted gross income | $156,263,000This ZIP$156,263,000 |
Land area
| Land area | 37.06 sq miThis ZIP37.06 sq mi |
|---|---|
| Water area | 0.48 sq miThis ZIP0.48 sq mi |
Counties 28640 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Ashe County | 99.8% |
| Wilkes County | 0.2% |
Other place names in 28640
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 28640
| ZIP | City | Distance |
|---|---|---|
28629 | Glendale Springs, NC | 4.6 mi |
28694 | West Jefferson, NC | 4.7 mi |
28617 | Crumpler, NC | 5.6 mi |
28672 | Scottville, NC | 6.8 mi |
28644 | Laurel Springs, NC | 6.9 mi |
28651 | Millers Creek, NC | 8.5 mi |
28631 | Grassy Creek, NC | 9.9 mi |
28693 | Warrensville, NC | 10.0 mi |
28626 | Fleetwood, NC | 10.2 mi |
28663 | Piney Creek, NC | 11.0 mi |
Find every ZIP code within 10 miles of 28640 →
Questions about this ZIP code
Where is ZIP code 28640?
28640 is in Jefferson, North Carolina, in Ashe County. Its published point location is 36.4049, -81.3994.
What county is 28640 in?
28640 spans 2 counties: Ashe County and Wilkes County. Most of it falls in Ashe County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 28640?
Jefferson uses area codes 336 and 743, from NANPA's telephone records.
What time zone is 28640 in?
28640 uses America/New_York.
How many people live in 28640?
About 4,820 people live in ZIP code 28640, in 2,076 households, at 130.1 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 28640?
$53,155 a year, against $72,388 across North Carolina.
What ZIP codes are near 28640?
The closest are 28629 (4.6 mi), 28694 (4.7 mi), 28617 (5.6 mi), 28672 (6.8 mi) and 28644 (6.9 mi).
Is 28640 a PO Box ZIP code?
28640 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “28640 ZIP Code — Jefferson, North Carolina (Ashe County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/28640
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/28640.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.