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zipcodes.pro — ZIP/57766

57766

ZIP 57766 is Oral, South Dakota, in Fall River County; area code 605; Mountain time.

Type
Standard
Time zone
America/Denver
County
Fall River
Metro area
none
Population
176
Coordinates
43.3561, -103.1775
☼ Live from 57766 — Oral, SD

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Local time: —

Where 57766 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.

★ Weird and wonderful facts about 57766
  • 🔢 Type 57766 into a pocket calculator and turn it upside down: ggLLS — not quite a word, sorry.
  • ➕ As a number, 57,766 = 2 × 17 × 1699. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110000110100110
  • 🏠 Its numerical neighbours: 57764 (Oglala, SD, 22 mi away) and 57767 (Owanka, SD, 62 mi away).
  • 🔄 Backwards, 57766 becomes 66775 — and that is a real ZIP code: Stark, KS, 574 miles away.
  • 👥 15 other ZIP codes are made of exactly the same digits (65767, 66757, 66775, 67567, 67576, 67657, …). The farthest-flung twin is 77566 in Lake Jackson, TX, 1,076 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 81%.
  • 🎯340 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57766 and you would come out at 43.36°S, 76.82°E — 520 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
  • 📏 At 142.5 square miles of land, 57766 is bigger than 85% of ZIP codes — room for about 108 Central Parks.
🌙 The sky over 57766 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population176This ZIP176
Households95This ZIP95
Housing units128This ZIP128
Median age58.8This ZIP58.8South Dakota38.0US 38.9
Median household income$96,146This ZIP$96,146South Dakota$75,081US $80,734
Bachelor's degree or higher34.4%This ZIP34.4%
Population density1.2 / sq miThis ZIP1.2 / sq mi

Business and tax activity

Business establishments6This ZIP6
Employees14This ZIP14
Annual payroll$690,000This ZIP$690,000
Tax returns filed100This ZIP100
Total adjusted gross income$6,889,000This ZIP$6,889,000

Land area

Land area142.54 sq miThis ZIP142.54 sq mi
Water area0.18 sq miThis ZIP0.18 sq mi

Other place names in 57766

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 57766

ZIPCityDistance
57782 Smithwick, SD 7.4 mi
57722 Buffalo Gap, SD 11.3 mi
57763 Oelrichs, SD 16.5 mi
57747 Hot Springs, SD 17.2 mi
57764 Oglala, SD 21.5 mi
57738 Fairburn, SD 22.7 mi
57773 Pringle, SD 26.5 mi
57744 Hermosa, SD 31.1 mi
57770 Pine Ridge, SD 32.4 mi
57772 Porcupine, SD 33.7 mi

Find every ZIP code within 10 miles of 57766 →

Questions about this ZIP code

Where is ZIP code 57766?

57766 is in Oral, South Dakota, in Fall River County. Its published point location is 43.3561, -103.1775.

What county is 57766 in?

57766 lies in Fall River County.

What area code is 57766?

Oral uses area code 605, from NANPA's telephone records.

What time zone is 57766 in?

57766 uses America/Denver.

How many people live in 57766?

About 176 people live in ZIP code 57766, in 95 households, at 1.2 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 57766?

$96,146 a year, against $75,081 across South Dakota.

What ZIP codes are near 57766?

The closest are 57782 (7.4 mi), 57722 (11.3 mi), 57763 (16.5 mi), 57747 (17.2 mi) and 57764 (21.5 mi).

Is 57766 a PO Box ZIP code?

57766 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “57766 ZIP Code — Oral, South Dakota (Fall River County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57766

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