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/53958

53958

ZIP 53958 is in Reedsburg, Wisconsin, in Sauk County; area code 608; Central time. Reedsburg has 2 ZIP codes; the other is 53959.

Type
No street area
Time zone
America/Chicago
County
Sauk
Metro area
Baraboo, WI
Coordinates
43.3938, -89.9559

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 53943, whose figures describe that area — not this ZIP code.

☼ Live from 53958 — Reedsburg, WI

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Where 53958 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 53958
  • 🔢 Type 53958 into a pocket calculator and turn it upside down: BSGES — not quite a word, sorry.
  • ➕ As a number, 53,958 = 2 × 3 × 17 × 23 × 23. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101001011000110
  • 🏠 Its numerical neighbours: 53957 (Randolph, WI, 49 mi away) and 53959 (Reedsburg, WI, 10 mi away).
  • 🔄 Backwards, 53958 becomes 85935 — and that is a real ZIP code: Pinetop, AZ, 1,246 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (35895, 35958, 38559, 38955, 39558, 53589, …). The farthest-flung twin is 95538 in Fort Dick, CA, 1,729 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 56%.
  • 🎯509 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53958 and you would come out at 43.39°S, 90.04°E — 1,027 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
🌙 The sky over 53958 today
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Source: USGS.

Land area

ZIP codes near 53958

ZIPCityDistance
53943 Loganville, WI 4.0 mi
53951 North Freedom, WI 4.0 mi
53961 Rock Springs, WI 4.9 mi
53577 Plain, WI 7.9 mi
53937 Hillpoint, WI 9.5 mi
53959 Reedsburg, WI 9.9 mi
53578 Prairie Du Sac, WI 11.0 mi
53942 Lime Ridge, WI 11.6 mi
53583 Sauk City, WI 12.2 mi
53913 Baraboo, WI 13.3 mi

Find every ZIP code within 10 miles of 53958 →

Questions about this ZIP code

Where is ZIP code 53958?

53958 is in Reedsburg, Wisconsin, in Sauk County, part of the Baraboo, WI micropolitan area. Its published point location is 43.3938, -89.9559.

What county is 53958 in?

53958 lies in Sauk County.

What area code is 53958?

Reedsburg uses area code 608, from NANPA's telephone records.

What time zone is 53958 in?

53958 uses America/Chicago.

What ZIP codes are near 53958?

The closest are 53943 (4 mi), 53951 (4 mi), 53961 (4.9 mi), 53577 (7.9 mi) and 53937 (9.5 mi).

Is 53958 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. “53958 ZIP Code — Reedsburg, Wisconsin (Sauk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53958

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/53958.json

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