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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/54990

54990

ZIP 54990 is in Iola, Wisconsin, in Waupaca County; area code 715; Central time. Iola has 2 ZIP codes; the other is 54945.

Type
No street area
Time zone
America/Chicago
County
Waupaca
Metro area
none
Coordinates
44.5080, -89.1307

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 54945, whose figures describe that area — not this ZIP code.

☼ Live from 54990 — Iola, WI

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Where 54990 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 54990
  • 🔢 Type 54990 into a pocket calculator and turn it upside down: OGGhS — not quite a word, sorry.
  • ➕ As a number, 54,990 = 2 × 3 × 3 × 5 × 13 × 47. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011011001110
  • 🏠 Its numerical neighbours: 54986 (Winneconne, WI, 33 mi away) and 55001 (Afton, MN, 183 mi away).
  • 🔄 Backwards, 54990 becomes 09945, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (09459, 09495, 40995, 49095, 49509, 49905, …). The farthest-flung twin is 09459 in APO AE, a military post office, 3,889 miles away.
  • 🧭 Farther north than 89% of all ZIP codes, and farther west than 53%.
  • 🎯581 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54990 and you would come out at 44.51°S, 90.87°E — 1,026 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 33m of daylight. Shortest: 8h 49m.
🌙 The sky over 54990 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 54990

ZIPCityDistance
54977 Scandinavia, WI 3.8 mi
54945 Iola, WI 4.2 mi
54962 Ogdensburg, WI 5.1 mi
54407 Amherst Junction, WI 7.6 mi
54458 Nelsonville, WI 8.7 mi
54926 Big Falls, WI 9.2 mi
54949 Manawa, WI 10.8 mi
54406 Amherst, WI 10.8 mi
54946 King, WI 11.8 mi
54981 Waupaca, WI 12.8 mi

Find every ZIP code within 10 miles of 54990 →

Questions about this ZIP code

Where is ZIP code 54990?

54990 is in Iola, Wisconsin, in Waupaca County. Its published point location is 44.5080, -89.1307.

What county is 54990 in?

54990 lies in Waupaca County.

What area code is 54990?

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

What time zone is 54990 in?

54990 uses America/Chicago.

What ZIP codes are near 54990?

The closest are 54977 (3.8 mi), 54945 (4.2 mi), 54962 (5.1 mi), 54407 (7.6 mi) and 54458 (8.7 mi).

Is 54990 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. “54990 ZIP Code — Iola, Wisconsin (Waupaca County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54990

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