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/54439

54439

ZIP 54439 is Hannibal, Wisconsin, in Taylor County; area code 715; Central time.

Type
No street area
Time zone
America/Chicago
County
Taylor
Metro area
none
Coordinates
45.2525, -90.7890

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 54433, whose figures describe that area — not this ZIP code.

☼ Live from 54439 — Hannibal, WI

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Where 54439 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 54439
  • 🔢 Type 54439 into a pocket calculator and turn it upside down: GEhhS — not quite a word, sorry.
  • ➕ As a number, 54,439 = 7 × 7 × 11 × 101. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101010010100111
  • 🏠 Its numerical neighbours: 54437 (Greenwood, WI, 34 mi away) and 54440 (Hatley, WI, 75 mi away).
  • 🔄 Backwards, 54439 becomes 93445 — and that is a real ZIP code: Oceano, CA, 1,713 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (34945, 34954, 35449, 43549, 43945, 45349, …). The farthest-flung twin is 93445 in Oceano, CA, 1,713 miles away.
  • 🧭 Farther north than 92% of all ZIP codes, and farther west than 58%.
  • 🎯545 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54439 and you would come out at 45.25°S, 89.21°E — 931 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 39m of daylight. Shortest: 8h 44m.
🌙 The sky over 54439 today
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Source: USGS.

Land area

ZIP codes near 54439

ZIPCityDistance
54433 Gilman, WI 2.1 mi
54766 Sheldon, WI 7.0 mi
54434 Jump River, WI 7.0 mi
54447 Lublin, WI 10.6 mi
54731 Conrath, WI 16.1 mi
54745 Holcombe, WI 16.3 mi
54563 Tony, WI 16.8 mi
54498 Withee, WI 16.9 mi
54451 Medford, WI 18.9 mi
54490 Westboro, WI 19.2 mi

Find every ZIP code within 10 miles of 54439 →

Questions about this ZIP code

Where is ZIP code 54439?

54439 is in Hannibal, Wisconsin, in Taylor County. Its published point location is 45.2525, -90.7890.

What county is 54439 in?

54439 lies in Taylor County.

What area code is 54439?

Hannibal uses area code 715, from NANPA's telephone records.

What time zone is 54439 in?

54439 uses America/Chicago.

What ZIP codes are near 54439?

The closest are 54433 (2.1 mi), 54766 (7 mi), 54434 (7 mi), 54447 (10.6 mi) and 54731 (16.1 mi).

Is 54439 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. “54439 ZIP Code — Hannibal, Wisconsin (Taylor County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54439

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54439.json

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