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/55730

55730

ZIP 55730 is in Grand Rapids, Minnesota, in Itasca County; area code 218; Central time. Grand Rapids has 3 ZIP codes; the others are 55744 and 55745.

Type
No street area
Time zone
America/Chicago
County
Itasca
Metro area
Grand Rapids, MN
Coordinates
47.2372, -93.5302

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 55744, whose figures describe that area — not this ZIP code.

☼ Live from 55730 — Grand Rapids, MN

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Where 55730 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 55730
  • 🔢 Type 55730 into a pocket calculator and turn it upside down: OELSS — not quite a word, sorry.
  • ➕ As a number, 55,730 = 2 × 5 × 5573. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101100110110010
  • 🏠 Its numerical neighbours: 55726 (Cromwell, MN, 52 mi away) and 55731 (Ely, MN, 98 mi away).
  • 🔄 Backwards, 55730 becomes 03755 — and that is a real ZIP code: Hanover, NH, 1,060 miles away.
  • 👥 34 other ZIP codes are made of exactly the same digits (03575, 03755, 05357, 05735, 05753, 30557, …). The farthest-flung twin is 70355 in Gheens, LA, 1,224 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 65%.
  • 🎯571 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55730 and you would come out at 47.24°S, 86.47°E — 760 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 56m of daylight. Shortest: 8h 28m.
🌙 The sky over 55730 today
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Source: USGS.

Land area

ZIP codes near 55730

ZIPCityDistance
55745 Grand Rapids, MN 0.0 mi
55744 Grand Rapids, MN 0.9 mi
55722 Coleraine, MN 5.5 mi
55721 Cohasset, MN 7.3 mi
55786 Taconite, MN 8.9 mi
55764 Marble, MN 13.0 mi
55709 Bovey, MN 13.6 mi
55716 Calumet, MN 13.8 mi
55793 Warba, MN 14.3 mi
55748 Hill City, MN 17.1 mi

Find every ZIP code within 10 miles of 55730 →

Questions about this ZIP code

Where is ZIP code 55730?

55730 is in Grand Rapids, Minnesota, in Itasca County, part of the Grand Rapids, MN micropolitan area. Its published point location is 47.2372, -93.5302.

What county is 55730 in?

55730 lies in Itasca County.

What area code is 55730?

Grand Rapids uses area code 218, from NANPA's telephone records.

What time zone is 55730 in?

55730 uses America/Chicago.

What ZIP codes are near 55730?

The closest are 55745 (0 mi), 55744 (0.9 mi), 55722 (5.5 mi), 55721 (7.3 mi) and 55786 (8.9 mi).

Is 55730 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. “55730 ZIP Code — Grand Rapids, Minnesota (Itasca County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55730

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/55730.json

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