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/60566

60566

ZIP 60566 is in Naperville, Illinois, in DuPage County; area codes 630 and 331; Central time. Naperville has 6 ZIP codes; the others are 60540, 60563, 60564, 60565 and 60567.

Type
No street area
Time zone
America/Chicago
County
DuPage
Coordinates
41.8397, -88.0887

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 60189, whose figures describe that area — not this ZIP code.

☼ Live from 60566 — Naperville, IL

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Where 60566 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 60566
  • 🔢 Type 60566 into a pocket calculator and turn it upside down: ggSOg — not quite a word, sorry.
  • ➕ As a number, 60,566 = 2 × 11 × 2753. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110110010010110
  • 🏠 Its numerical neighbours: 60565 (Naperville, IL, 8 mi away) and 60567 (Naperville, IL, 5 mi away).
  • 🔄 Backwards, 60566 becomes 66506 — and that is a real ZIP code: Manhattan, KS, 482 miles away.
  • 👥 10 other ZIP codes are made of exactly the same digits (05666, 50666, 56660, 60656, 65066, 65606, …). The farthest-flung twin is 05666 in North Montpelier, VT, 807 miles away.
  • 🧭 Farther north than 74% of all ZIP codes, and farther west than 51%.
  • 🎯565 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 60566 and you would come out at 41.84°S, 91.91°E — 1,164 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 60566 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments27This ZIP27
Employees2,305This ZIP2,305
Annual payroll$314,370,000This ZIP$314,370,000

Land area

ZIP codes near 60566

ZIPCityDistance
60117 Bloomingdale, IL 0.0 mi
60128 Carol Stream, IL 0.0 mi
60132 Carol Stream, IL 0.0 mi
60199 Carol Stream, IL 0.0 mi
60522 Hinsdale, IL 0.0 mi
60598 Aurora, IL 0.0 mi
60599 Fox Valley, IL 0.0 mi
60189 Wheaton, IL 1.7 mi
60137 Glen Ellyn, IL 2.2 mi
60187 Wheaton, IL 2.6 mi

Find every ZIP code within 10 miles of 60566 →

Questions about this ZIP code

Where is ZIP code 60566?

60566 is in Naperville, Illinois, in DuPage County, part of the Chicago-Naperville-Elgin, IL-IN metropolitan area. Its published point location is 41.8397, -88.0887.

What county is 60566 in?

60566 lies in DuPage County.

What area code is 60566?

Naperville uses area codes 630 and 331, from NANPA's telephone records.

What time zone is 60566 in?

60566 uses America/Chicago.

What ZIP codes are near 60566?

The closest are 60117 (0 mi), 60128 (0 mi), 60132 (0 mi), 60199 (0 mi) and 60522 (0 mi).

Is 60566 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. “60566 ZIP Code — Naperville, Illinois (DuPage County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/60566

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