48439
ZIP 48439 is in Grand Blanc, Michigan, mostly in Genesee County; area code 810; Eastern time. Grand Blanc has 2 ZIP codes; the other is 48480.
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Where 48439 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 48439 into a pocket calculator and turn it upside down: GEhBh — not quite a word, sorry.
- ➕ As a number, 48,439 = 59 × 821. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011110100110111 - 🏠 Its numerical neighbours: 48438 (Goodrich, MI, 7 mi away) and 48440 (Hadley, MI, 12 mi away).
- 🔄 Backwards, 48439 becomes 93484, which is not a ZIP code at all.
- 👥 18 other ZIP codes are made of exactly the same digits (34489, 34498, 34948, 34984, 38449, 38944, …). The farthest-flung twin is 93448 in Pismo Beach, CA, 2,040 miles away.
- 🧭 Farther north than 82% of all ZIP codes, and farther east than 61%.
- 🎯803 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 48439 and you would come out at 42.92°S, 96.37°E — 1,305 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
- 📏 At 54.5 square miles of land, 48439 is bigger than 62% of ZIP codes — room for about 41 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 51,900This ZIP51,900 |
|---|---|
| Households | 21,425This ZIP21,425 |
| Housing units | 22,296This ZIP22,296 |
| Median age | 42.1This ZIP42.1Michigan40.2US 38.9 |
| Median household income | $88,490This ZIP$88,490Michigan$72,875US $80,734 |
| Median home value | $261,600This ZIP$261,600Michigan$231,600US $332,700 |
| Median gross rent | $1,123This ZIP$1,123Michigan$1,129US $1,413 |
| Bachelor's degree or higher | 43.8%This ZIP43.8% |
| Mean commute | 28.9 minThis ZIP28.9 min |
| Population density | 952.2 / sq miThis ZIP952.2 / sq mi |
Business and tax activity
| Business establishments | 1,027This ZIP1,027 |
|---|---|
| Employees | 14,995This ZIP14,995 |
| Annual payroll | $950,674,000This ZIP$950,674,000 |
| Tax returns filed | 26,550This ZIP26,550 |
| Total adjusted gross income | $2,252,954,000This ZIP$2,252,954,000 |
Land area
| Land area | 54.51 sq miThis ZIP54.51 sq mi |
|---|---|
| Water area | 0.48 sq miThis ZIP0.48 sq mi |
Counties 48439 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Genesee County | 98.7% |
| Oakland County | 1.3% |
Other place names in 48439
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 48439
| ZIP | City | Distance |
|---|---|---|
48480 | Grand Blanc, MI | 0.7 mi |
48529 | Burton, MI | 3.9 mi |
48519 | Burton, MI | 4.7 mi |
48411 | Atlas, MI | 5.3 mi |
48507 | Flint, MI | 5.5 mi |
48552 | Flint, MI | 5.9 mi |
48551 | Flint, MI | 5.9 mi |
48553 | Flint, MI | 6.0 mi |
48531 | Flint, MI | 6.6 mi |
48503 | Flint, MI | 6.9 mi |
Find every ZIP code within 10 miles of 48439 →
Questions about this ZIP code
Where is ZIP code 48439?
48439 is in Grand Blanc, Michigan, in Genesee County, part of the Flint, MI metropolitan area. Its published point location is 42.9171, -83.6313.
What county is 48439 in?
48439 spans 2 counties: Genesee County and Oakland County. Most of it falls in Genesee 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 48439?
Grand Blanc uses area code 810, from NANPA's telephone records.
What time zone is 48439 in?
48439 uses America/Detroit.
How many people live in 48439?
About 51,900 people live in ZIP code 48439, in 21,425 households, at 952.2 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 48439?
$88,490 a year, against $72,875 across Michigan.
What ZIP codes are near 48439?
The closest are 48480 (0.7 mi), 48529 (3.9 mi), 48519 (4.7 mi), 48411 (5.3 mi) and 48507 (5.5 mi).
Is 48439 a PO Box ZIP code?
48439 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “48439 ZIP Code — Grand Blanc, Michigan (Genesee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48439
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/48439.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.