Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/57402

57402

ZIP 57402 is in Aberdeen, South Dakota, in Brown County; area code 605; Central time. Aberdeen has 2 ZIP codes; the other is 57401.

Type
No street area
Time zone
America/Chicago
County
Brown
Metro area
Aberdeen, SD
Coordinates
45.5896, -98.3520

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 57433, whose figures describe that area — not this ZIP code.

☼ Live from 57402 — Aberdeen, SD

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Where 57402 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 57402
  • 🔢 Type 57402 into a pocket calculator and turn it upside down: ZOhLS — not quite a word, sorry.
  • ➕ As a number, 57,402 = 2 × 3 × 3 × 3 × 1063. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110000000111010
  • 🏠 Its numerical neighbours: 57401 (Aberdeen, SD, 11 mi away) and 57420 (Akaska, SD, 89 mi away).
  • 🔄 Backwards, 57402 becomes 20475, which is not a ZIP code at all.
  • 👥 58 other ZIP codes are made of exactly the same digits (02457, 02475, 02574, 02745, 04257, 04275, …). The farthest-flung twin is 04572 in Waldoboro, ME, 1,415 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 77%.
  • 🎯398 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57402 and you would come out at 45.59°S, 81.65°E — 593 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 42m of daylight. Shortest: 8h 41m.
🌙 The sky over 57402 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments32This ZIP32
Employees848This ZIP848
Annual payroll$60,268,000This ZIP$60,268,000

Land area

ZIP codes near 57402

ZIPCityDistance
57433 Columbia, SD 3.7 mi
57427 Bath, SD 7.7 mi
57401 Aberdeen, SD 11.5 mi
57426 Barnard, SD 12.1 mi
57449 Houghton, SD 12.7 mi
57445 Groton, SD 14.3 mi
57481 Westport, SD 16.8 mi
57432 Claremont, SD 16.8 mi
57441 Frederick, SD 18.1 mi
57479 Warner, SD 20.2 mi

Find every ZIP code within 10 miles of 57402 →

Questions about this ZIP code

Where is ZIP code 57402?

57402 is in Aberdeen, South Dakota, in Brown County, part of the Aberdeen, SD micropolitan area. Its published point location is 45.5896, -98.3520.

What county is 57402 in?

57402 lies in Brown County.

What area code is 57402?

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

What time zone is 57402 in?

57402 uses America/Chicago.

What ZIP codes are near 57402?

The closest are 57433 (3.7 mi), 57427 (7.7 mi), 57401 (11.5 mi), 57426 (12.1 mi) and 57449 (12.7 mi).

Is 57402 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. “57402 ZIP Code — Aberdeen, South Dakota (Brown County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57402

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