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/52204

52204

ZIP 52204 is in Amana, Iowa, in Iowa County; area code 319; Central time. Amana has 2 ZIP codes; the other is 52203.

Type
No street area
Time zone
America/Chicago
County
Iowa
Metro area
none
Coordinates
41.8000, -91.8707

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 52203, whose figures describe that area — not this ZIP code.

☼ Live from 52204 — Amana, IA

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Where 52204 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 52204
  • 🔢 Type 52204 into a pocket calculator and turn it upside down: hOZZS — not quite a word, sorry.
  • ➕ As a number, 52,204 = 2 × 2 × 31 × 421. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100101111101100
  • 🏠 Its numerical neighbours: 52203 (Amana, IA, 1 mi away) and 52205 (Anamosa, IA, 37 mi away).
  • 🔄 Backwards, 52204 becomes 40225 — and that is a real ZIP code: Louisville, KY, 412 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (02452, 02542, 04225, 04252, 20245, 20254, …). The farthest-flung twin is 04252 in Lisbon Falls, ME, 1,111 miles away.
  • 🧭 Farther north than 74% of all ZIP codes, and farther west than 61%.
  • 🎯376 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52204 and you would come out at 41.80°S, 88.13°E — 1,007 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
🌙 The sky over 52204 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees2,524This ZIP2,524
Annual payroll$91,290,000This ZIP$91,290,000

Land area

ZIP codes near 52204

ZIPCityDistance
52203 Amana, IA 1.4 mi
52307 Middle Amana, IA 1.7 mi
52236 Homestead, IA 4.6 mi
52351 Walford, IA 5.5 mi
52334 South Amana, IA 6.1 mi
52318 Norway, IA 6.4 mi
52228 Fairfax, IA 8.2 mi
52220 Conroy, IA 8.3 mi
52338 Swisher, IA 8.5 mi
52322 Oxford, IA 9.3 mi

Find every ZIP code within 10 miles of 52204 →

Questions about this ZIP code

Where is ZIP code 52204?

52204 is in Amana, Iowa, in Iowa County. Its published point location is 41.8000, -91.8707.

What county is 52204 in?

52204 lies in Iowa County.

What area code is 52204?

Amana uses area code 319, from NANPA's telephone records.

What time zone is 52204 in?

52204 uses America/Chicago.

What ZIP codes are near 52204?

The closest are 52203 (1.4 mi), 52307 (1.7 mi), 52236 (4.6 mi), 52351 (5.5 mi) and 52334 (6.1 mi).

Is 52204 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. “52204 ZIP Code — Amana, Iowa (Iowa County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52204

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52204.json

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