57439
ZIP 57439 is Ferney, South Dakota, in Brown County; area code 605; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Brown
- Metro area
- Aberdeen, SD
- Population
- 0
- Coordinates
- 45.3347, -98.1001
Weather right now
Asking the National Weather Service…
Where 57439 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 57439 into a pocket calculator and turn it upside down: GEhLS — not quite a word, sorry.
- ➕ As a number, 57,439 = 71 × 809. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001011111 - 🏠 Its numerical neighbours: 57438 (Faulkton, SD, 55 mi away) and 57440 (Frankfort, SD, 34 mi away).
- 🔄 Backwards, 57439 becomes 93475 — and that is a real ZIP code: Oceano, CA, 1,375 miles away.
- 👥 51 other ZIP codes are made of exactly the same digits (34759, 34957, 35749, 35974, 39457, 39475, …). The farthest-flung twin is 34957 in Jensen Beach, FL, 1,588 miles away.
- 🧭 Farther north than 92% of all ZIP codes, and farther west than 77%.
- 🎯381 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57439 and you would come out at 45.33°S, 81.90°E — 612 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 40m of daylight. Shortest: 8h 43m.
- 📏 At 0.399 square miles of land, 57439 is bigger than 4% of ZIP codes — about 193 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 0 |
|---|---|
| Households | 0 |
| Housing units | 20This ZIP20 |
| Population density | 0.0 / sq mi |
Land area
| Land area | 0.40 sq miThis ZIP0.40 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 57439
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57439
| ZIP | City | Distance |
|---|---|---|
57445 | Groton, SD | 9.1 mi |
57474 | Stratford, SD | 9.2 mi |
57422 | Andover, SD | 10.4 mi |
57434 | Conde, SD | 11.7 mi |
57427 | Bath, SD | 14.6 mi |
57219 | Bristol, SD | 15.1 mi |
57429 | Brentford, SD | 15.5 mi |
57479 | Warner, SD | 16.6 mi |
57461 | Mellette, SD | 20.4 mi |
57468 | Pierpont, SD | 20.5 mi |
Find every ZIP code within 10 miles of 57439 →
Questions about this ZIP code
Where is ZIP code 57439?
57439 is in Ferney, South Dakota, in Brown County, part of the Aberdeen, SD micropolitan area. Its published point location is 45.3347, -98.1001.
What county is 57439 in?
57439 lies in Brown County.
What area code is 57439?
Ferney uses area code 605, from NANPA's telephone records.
What time zone is 57439 in?
57439 uses America/Chicago.
How many people live in 57439?
About 0 people live in ZIP code 57439. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 57439?
The closest are 57445 (9.1 mi), 57474 (9.2 mi), 57422 (10.4 mi), 57434 (11.7 mi) and 57427 (14.6 mi).
Is 57439 a PO Box ZIP code?
57439 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57439 ZIP Code — Ferney, South Dakota (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57439
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57439.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.