28756
ZIP 28756 is Mill Spring, North Carolina, mostly in Polk County; area code 828; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Polk +1 more
- Metro area
- none
- Population
- 4,706
- Coordinates
- 35.3559, -82.2086
Weather right now
Asking the National Weather Service…
Where 28756 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 28756 into a pocket calculator and turn it upside down: gSLBZ — not quite a word, sorry.
- ➕ As a number, 28,756 = 2 × 2 × 7 × 13 × 79. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
111000001010100 - 🏠 Its numerical neighbours: 28755 (Micaville, NC, 38 mi away) and 28757 (Montreat, NC, 21 mi away).
- 🔄 Backwards, 28756 becomes 65782, which is not a ZIP code at all.
- 👥 48 other ZIP codes are made of exactly the same digits (25678, 25876, 26578, 26587, 27568, 27586, …). The farthest-flung twin is 85267 in Scottsdale, AZ, 1,690 miles away.
- 🧭 Farther south than 72% of all ZIP codes, and farther east than 66%.
- 🎯946 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 28756 and you would come out at 35.36°S, 97.79°E — 1,064 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 46m.
- 📏 At 79.3 square miles of land, 28756 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 | 4,706This ZIP4,706 |
|---|---|
| Households | 1,834This ZIP1,834 |
| Housing units | 2,444This ZIP2,444 |
| Median age | 38.4This ZIP38.4North Carolina39.1US 38.9 |
| Median household income | $63,663This ZIP$63,663North Carolina$72,388US $80,734 |
| Median home value | $277,600This ZIP$277,600North Carolina$288,900US $332,700 |
| Median gross rent | $644This ZIP$644North Carolina$1,228US $1,413 |
| Bachelor's degree or higher | 19.4%This ZIP19.4% |
| Mean commute | 33.8 minThis ZIP33.8 min |
| Population density | 59.3 / sq miThis ZIP59.3 / sq mi |
Business and tax activity
| Business establishments | 66This ZIP66 |
|---|---|
| Employees | 493This ZIP493 |
| Annual payroll | $21,354,000This ZIP$21,354,000 |
| Tax returns filed | 1,890This ZIP1,890 |
| Total adjusted gross income | $172,287,000This ZIP$172,287,000 |
Land area
| Land area | 79.32 sq miThis ZIP79.32 sq mi |
|---|---|
| Water area | 0.63 sq miThis ZIP0.63 sq mi |
Counties 28756 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Polk County | 98.9% |
| Rutherford County | 1.1% |
Other place names in 28756
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 28756
| ZIP | City | Distance |
|---|---|---|
28720 | Chimney Rock, NC | 7.0 mi |
28727 | Edneyville, NC | 7.9 mi |
28710 | Bat Cave, NC | 8.0 mi |
28773 | Saluda, NC | 8.3 mi |
28750 | Lynn, NC | 8.4 mi |
28746 | Lake Lure, NC | 8.8 mi |
28782 | Tryon, NC | 9.1 mi |
28792 | Hendersonville, NC | 9.4 mi |
28724 | Dana, NC | 9.6 mi |
28731 | Flat Rock, NC | 10.6 mi |
Find every ZIP code within 10 miles of 28756 →
Questions about this ZIP code
Where is ZIP code 28756?
28756 is in Mill Spring, North Carolina, in Polk County. Its published point location is 35.3559, -82.2086.
What county is 28756 in?
28756 spans 2 counties: Polk County and Rutherford County. Most of it falls in Polk 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 28756?
Mill Spring uses area code 828, from NANPA's telephone records.
What time zone is 28756 in?
28756 uses America/New_York.
How many people live in 28756?
About 4,706 people live in ZIP code 28756, in 1,834 households, at 59.3 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 28756?
$63,663 a year, against $72,388 across North Carolina.
What ZIP codes are near 28756?
The closest are 28720 (7 mi), 28727 (7.9 mi), 28710 (8 mi), 28773 (8.3 mi) and 28750 (8.4 mi).
Is 28756 a PO Box ZIP code?
28756 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “28756 ZIP Code — Mill Spring, North Carolina (Polk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/28756
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/28756.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.