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/57326

57326

ZIP 57326 is in Chamberlain, South Dakota, in Brule County; area code 605; Central time. Chamberlain has 2 ZIP codes; the other is 57325.

Type
No street area
Time zone
America/Chicago
County
Brule
Metro area
none
Coordinates
43.8108, -99.3307

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 57325, whose figures describe that area — not this ZIP code.

☼ Live from 57326 — Chamberlain, SD

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 57326 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 57326
  • 🔢 Type 57326 into a pocket calculator and turn it upside down: gZELS — not quite a word, sorry.
  • ➕ As a number, 57,326 = 2 × 28663. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101111111101110
  • 🏠 Its numerical neighbours: 57325 (Chamberlain, SD, 2 mi away) and 57328 (Corsica, SD, 52 mi away).
  • 🔄 Backwards, 57326 becomes 62375 — and that is a real ZIP code: Timewell, IL, 509 miles away.
  • 👥 58 other ZIP codes are made of exactly the same digits (25637, 26537, 26753, 27356, 27536, 27563, …). The farthest-flung twin is 32765 in Oviedo, FL, 1,448 miles away.
  • 🧭 Farther north than 87% of all ZIP codes, and farther west than 79%.
  • 🎯278 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 57326 and you would come out at 43.81°S, 80.67°E — 626 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 28m of daylight. Shortest: 8h 54m.
🌙 The sky over 57326 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 57326

ZIPCityDistance
57325 Chamberlain, SD 1.9 mi
57365 Oacoma, SD 4.3 mi
57370 Pukwana, SD 8.1 mi
57569 Reliance, SD 11.6 mi
57355 Kimball, SD 20.0 mi
57341 Gann Valley, SD 22.3 mi
57339 Fort Thompson, SD 22.8 mi
57534 Hamill, SD 23.6 mi
57544 Kennebec, SD 26.1 mi
57548 Lower Brule, SD 27.8 mi

Find every ZIP code within 10 miles of 57326 →

Questions about this ZIP code

Where is ZIP code 57326?

57326 is in Chamberlain, South Dakota, in Brule County. Its published point location is 43.8108, -99.3307.

What county is 57326 in?

57326 lies in Brule County.

What area code is 57326?

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

What time zone is 57326 in?

57326 uses America/Chicago.

What ZIP codes are near 57326?

The closest are 57325 (1.9 mi), 57365 (4.3 mi), 57370 (8.1 mi), 57569 (11.6 mi) and 57355 (20 mi).

Is 57326 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.

Download or cite

Cite this page

zipcodes.pro. “57326 ZIP Code — Chamberlain, South Dakota (Brule County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/57326

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/57326.json

Underlying data is public domain or openly licensed — sources, vintages and licences.