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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/53542

53542

ZIP 53542 is Hanover, Wisconsin, in Rock County; area code 608; Central time.

Type
No street area
Time zone
America/Chicago
County
Rock
Coordinates
42.6323, -89.1594

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 53576, whose figures describe that area — not this ZIP code.

☼ Live from 53542 — Hanover, WI

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Where 53542 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 53542
  • 🔢 Type 53542 into a pocket calculator and turn it upside down: ZhSES — not quite a word, sorry.
  • ➕ As a number, 53,542 = 2 × 19 × 1409. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101000100100110
  • 🏠 Its numerical neighbours: 53541 (Gratiot, WI, 44 mi away) and 53543 (Highland, WI, 67 mi away).
  • 🔄 Backwards, 53542 becomes 24535 — and that is a real ZIP code: Cluster Springs, VA, 684 miles away.
  • 👥 26 other ZIP codes are made of exactly the same digits (23455, 24535, 24553, 25534, 32455, 35254, …). The farthest-flung twin is 32455 in Ponce De Leon, FL, 847 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther west than 54%.
  • 🎯526 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53542 and you would come out at 42.63°S, 90.84°E — 1,089 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
🌙 The sky over 53542 today
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Source: USGS.

Land area

ZIP codes near 53542

ZIPCityDistance
53576 Orfordville, WI 3.8 mi
53537 Footville, WI 3.8 mi
53548 Janesville, WI 4.2 mi
53501 Afton, WI 4.7 mi
53511 Beloit, WI 6.5 mi
53547 Janesville, WI 9.4 mi
53545 Janesville, WI 9.5 mi
53536 Evansville, WI 10.5 mi
53520 Brodhead, WI 10.5 mi
53512 Beloit, WI 10.7 mi

Find every ZIP code within 10 miles of 53542 →

Questions about this ZIP code

Where is ZIP code 53542?

53542 is in Hanover, Wisconsin, in Rock County, part of the Janesville-Beloit, WI metropolitan area. Its published point location is 42.6323, -89.1594.

What county is 53542 in?

53542 lies in Rock County.

What area code is 53542?

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

What time zone is 53542 in?

53542 uses America/Chicago.

What ZIP codes are near 53542?

The closest are 53576 (3.8 mi), 53537 (3.8 mi), 53548 (4.2 mi), 53501 (4.7 mi) and 53511 (6.5 mi).

Is 53542 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. “53542 ZIP Code — Hanover, Wisconsin (Rock County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53542

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/53542.json

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