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/46581

46581

ZIP 46581 is in Warsaw, Indiana, in Kosciusko County; area code 574; Eastern time. Warsaw has 3 ZIP codes; the others are 46580 and 46582.

Type
No street area
Time zone
America/Indiana/Indianapolis
County
Kosciusko
Metro area
Warsaw, IN
Coordinates
41.2394, -85.8643

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 46580, whose figures describe that area — not this ZIP code.

☼ Live from 46581 — Warsaw, IN

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Where 46581 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 46581
  • 🔢 Type 46581 into a pocket calculator and turn it upside down: IBSgh — not quite a word, sorry.
  • ➕ As a number, 46,581 = 3 × 15527. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011010111110101
  • 🏠 Its numerical neighbours: 46580 (Warsaw, IN, 2 mi away) and 46582 (Warsaw, IN, 3 mi away).
  • 🔄 Backwards, 46581 becomes 18564, which is not a ZIP code at all.
  • 👥 53 other ZIP codes are made of exactly the same digits (14568, 14586, 14856, 14865, 15468, 15486, …). The farthest-flung twin is 85614 in Green Valley, AZ, 1,529 miles away.
  • 🧭 Farther north than 69% of all ZIP codes, and farther east than 54%.
  • 🎯674 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 46581 and you would come out at 41.24°S, 94.14°E — 1,283 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 12m.
🌙 The sky over 46581 today
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Source: USGS.

Business and tax activity

Business establishments30This ZIP30
Employees1,625This ZIP1,625
Annual payroll$123,510,000This ZIP$123,510,000

Land area

ZIP codes near 46581

ZIPCityDistance
46580 Warsaw, IN 1.8 mi
46582 Warsaw, IN 2.9 mi
46590 Winona Lake, IN 3.4 mi
46502 Atwood, IN 6.0 mi
46538 Leesburg, IN 6.6 mi
46508 Burket, IN 8.0 mi
46510 Claypool, IN 8.1 mi
46524 Etna Green, IN 9.0 mi
46562 Pierceton, IN 9.6 mi
46539 Mentone, IN 9.9 mi

Find every ZIP code within 10 miles of 46581 →

Questions about this ZIP code

Where is ZIP code 46581?

46581 is in Warsaw, Indiana, in Kosciusko County, part of the Warsaw, IN micropolitan area. Its published point location is 41.2394, -85.8643.

What county is 46581 in?

46581 lies in Kosciusko County.

What area code is 46581?

Warsaw uses area code 574, from NANPA's telephone records.

What time zone is 46581 in?

46581 uses America/Indiana/Indianapolis.

What ZIP codes are near 46581?

The closest are 46580 (1.8 mi), 46582 (2.9 mi), 46590 (3.4 mi), 46502 (6 mi) and 46538 (6.6 mi).

Is 46581 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. “46581 ZIP Code — Warsaw, Indiana (Kosciusko County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46581

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/46581.json

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