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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/57109

57109

ZIP 57109 is in Sioux Falls, South Dakota, in Minnehaha County; area code 605; Central time. Sioux Falls has 15 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Minnehaha
Metro area
Sioux Falls, SD-MN
Coordinates
43.6746, -96.7913

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 57020, whose figures describe that area — not this ZIP code.

☼ Live from 57109 — Sioux Falls, SD

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Where 57109 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 57109
  • 🔢 Type 57109 into a pocket calculator and turn it upside down: GOILS — not quite a word, sorry.
  • ➕ As a number, 57,109 = 13 × 23 × 191. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101111100010101
  • 🏠 Its numerical neighbours: 57108 (Sioux Falls, SD, 14 mi away) and 57110 (Sioux Falls, SD, 12 mi away).
  • 🔄 Backwards, 57109 becomes 90175, which is not a ZIP code at all.
  • 👥 41 other ZIP codes are made of exactly the same digits (07195, 09157, 09175, 09715, 10579, 10597, …). The farthest-flung twin is 09157 in APO AE, a military post office, 4,717 miles away.
  • 🧭 Farther north than 86% of all ZIP codes, and farther west than 73%.
  • 🎯281 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57109 and you would come out at 43.67°S, 83.21°E — 730 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 27m of daylight. Shortest: 8h 55m.
🌙 The sky over 57109 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments16This ZIP16
Employees84This ZIP84
Annual payroll$7,687,000This ZIP$7,687,000

Land area

ZIP codes near 57109

ZIPCityDistance
57118 Sioux Falls, SD 0.0 mi
57193 Sioux Falls, SD 0.0 mi
57198 Sioux Falls, SD 0.0 mi
57020 Crooks, SD 1.5 mi
57055 Renner, SD 2.4 mi
57003 Baltic, SD 5.3 mi
57107 Sioux Falls, SD 5.4 mi
57041 Lyons, SD 5.7 mi
57104 Sioux Falls, SD 6.6 mi
57033 Hartford, SD 9.6 mi

Find every ZIP code within 10 miles of 57109 →

Questions about this ZIP code

Where is ZIP code 57109?

57109 is in Sioux Falls, South Dakota, in Minnehaha County, part of the Sioux Falls, SD-MN metropolitan area. Its published point location is 43.6746, -96.7913.

What county is 57109 in?

57109 lies in Minnehaha County.

What area code is 57109?

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

What time zone is 57109 in?

57109 uses America/Chicago.

What ZIP codes are near 57109?

The closest are 57118 (0 mi), 57193 (0 mi), 57198 (0 mi), 57020 (1.5 mi) and 57055 (2.4 mi).

Is 57109 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “57109 ZIP Code — Sioux Falls, South Dakota (Minnehaha County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57109

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/57109.json

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