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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/46546

46546

ZIP 46546 is in Mishawaka, Indiana, in St. Joseph County; area code 574; Eastern time. Mishawaka has 3 ZIP codes; the others are 46544 and 46545.

Type
No street area
Time zone
America/Indiana/Indianapolis
County
St. Joseph
Coordinates
41.6620, -86.1586

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 46544, whose figures describe that area — not this ZIP code.

☼ Live from 46546 — Mishawaka, IN

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Where 46546 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 46546
  • 🔢 Type 46546 into a pocket calculator and turn it upside down: ghSgh — not quite a word, sorry.
  • ➕ As a number, 46,546 = 2 × 17 × 37 × 37. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011010111010010
  • 🏠 Its numerical neighbours: 46545 (Mishawaka, IN, 2 mi away) and 46550 (Nappanee, IN, 17 mi away).
  • 🔄 Backwards, 46546 becomes 64564, which is not a ZIP code at all.
  • 👥 17 other ZIP codes are made of exactly the same digits (44656, 44665, 45646, 54466, 54646, 54664, …). The farthest-flung twin is 56644 in Gonvick, MN, 623 miles away.
  • 🧭 Farther north than 72% of all ZIP codes, and farther east than 53%.
  • 🎯662 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 46546 and you would come out at 41.66°S, 93.84°E — 1,254 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
🌙 The sky over 46546 today
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees221This ZIP221
Annual payroll$7,604,000This ZIP$7,604,000

Land area

ZIP codes near 46546

ZIPCityDistance
46545 Mishawaka, IN 2.3 mi
46615 South Bend, IN 2.9 mi
46544 Mishawaka, IN 3.6 mi
46617 South Bend, IN 4.2 mi
46635 South Bend, IN 4.2 mi
46561 Osceola, IN 4.5 mi
46601 South Bend, IN 4.9 mi
46626 South Bend, IN 5.0 mi
46556 Notre Dame, IN 5.2 mi
46624 South Bend, IN 5.6 mi

Find every ZIP code within 10 miles of 46546 →

Questions about this ZIP code

Where is ZIP code 46546?

46546 is in Mishawaka, Indiana, in St. Joseph County, part of the South Bend-Mishawaka, IN-MI metropolitan area. Its published point location is 41.6620, -86.1586.

What county is 46546 in?

46546 lies in St. Joseph County.

What area code is 46546?

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

What time zone is 46546 in?

46546 uses America/Indiana/Indianapolis.

What ZIP codes are near 46546?

The closest are 46545 (2.3 mi), 46615 (2.9 mi), 46544 (3.6 mi), 46617 (4.2 mi) and 46635 (4.2 mi).

Is 46546 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. “46546 ZIP Code — Mishawaka, Indiana (St. Joseph County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/46546

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/46546.json

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