57446
ZIP 57446 is Hecla, South Dakota, in Brown County; area code 605; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Brown
- Metro area
- Aberdeen, SD
- Population
- 223
- Coordinates
- 45.8708, -98.1527
Weather right now
Asking the National Weather Service…
Where 57446 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 57446 into a pocket calculator and turn it upside down: ghhLS — not quite a word, sorry.
- ➕ As a number, 57,446 = 2 × 28723. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110000001100110 - 🏠 Its numerical neighbours: 57445 (Groton, SD, 28 mi away) and 57448 (Hosmer, SD, 64 mi away).
- 🔄 Backwards, 57446 becomes 64475 — and that is a real ZIP code: Parnell, MO, 415 miles away.
- 👥 36 other ZIP codes are made of exactly the same digits (44657, 44675, 45647, 45674, 45746, 45764, …). The farthest-flung twin is 76544 in Fort Hood, TX, 1,005 miles away.
- 🧭 Farther north than 93% of all ZIP codes, and farther west than 77%.
- 🎯418 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 57446 and you would come out at 45.87°S, 81.85°E — 592 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 44m of daylight. Shortest: 8h 39m.
- 📏 At 155.5 square miles of land, 57446 is bigger than 87% of ZIP codes — room for about 118 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 223This ZIP223 |
|---|---|
| Households | 134This ZIP134 |
| Housing units | 249This ZIP249 |
| Median age | 66.1This ZIP66.1South Dakota38.0US 38.9 |
| Median household income | $44,375This ZIP$44,375South Dakota$75,081US $80,734 |
| Median home value | $50,400This ZIP$50,400South Dakota$257,400US $332,700 |
| Bachelor's degree or higher | 10.6%This ZIP10.6% |
| Mean commute | 18.9 minThis ZIP18.9 min |
| Population density | 1.4 / sq miThis ZIP1.4 / sq mi |
Business and tax activity
| Business establishments | 10This ZIP10 |
|---|---|
| Employees | 40This ZIP40 |
| Annual payroll | $1,667,000This ZIP$1,667,000 |
| Tax returns filed | 180This ZIP180 |
| Total adjusted gross income | $17,026,000This ZIP$17,026,000 |
Land area
| Land area | 155.45 sq miThis ZIP155.45 sq mi |
|---|---|
| Water area | 5.34 sq miThis ZIP5.34 sq mi |
Other place names in 57446
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 57446
| ZIP | City | Distance |
|---|---|---|
57449 | Houghton, SD | 10.0 mi |
57432 | Claremont, SD | 14.2 mi |
57421 | Amherst, SD | 14.3 mi |
58474 | Oakes, ND | 16.0 mi |
57441 | Frederick, SD | 17.6 mi |
57433 | Columbia, SD | 18.0 mi |
58017 | Cogswell, ND | 18.7 mi |
57426 | Barnard, SD | 18.9 mi |
57430 | Britton, SD | 21.0 mi |
57402 | Aberdeen, SD | 21.7 mi |
Find every ZIP code within 10 miles of 57446 →
Questions about this ZIP code
Where is ZIP code 57446?
57446 is in Hecla, South Dakota, in Brown County, part of the Aberdeen, SD micropolitan area. Its published point location is 45.8708, -98.1527.
What county is 57446 in?
57446 lies in Brown County.
What area code is 57446?
Hecla uses area code 605, from NANPA's telephone records.
What time zone is 57446 in?
57446 uses America/Chicago.
How many people live in 57446?
About 223 people live in ZIP code 57446, in 134 households, at 1.4 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 57446?
$44,375 a year, against $75,081 across South Dakota.
What ZIP codes are near 57446?
The closest are 57449 (10 mi), 57432 (14.2 mi), 57421 (14.3 mi), 58474 (16 mi) and 57441 (17.6 mi).
Is 57446 a PO Box ZIP code?
57446 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “57446 ZIP Code — Hecla, South Dakota (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57446
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/57446.json Underlying data is public domain or openly licensed — sources, vintages and licences.