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/48556

48556

ZIP 48556 is in Flint, Michigan, in Genesee County; area code 810; Eastern time. Flint has 17 ZIP codes in all.

Type
No street area
Time zone
America/Detroit
County
Genesee
Metro area
Flint, MI
Coordinates
43.0327, -83.6463

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 48506, whose figures describe that area — not this ZIP code.

☼ Live from 48556 — Flint, MI

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Where 48556 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 48556
  • 🔢 Type 48556 into a pocket calculator and turn it upside down: gSSBh — not quite a word, sorry.
  • ➕ As a number, 48,556 = 2 × 2 × 61 × 199. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110110101100
  • 🏠 Its numerical neighbours: 48555 (Flint, MI, 4 mi away) and 48557 (Flint, MI, 8 mi away).
  • 🔄 Backwards, 48556 becomes 65584 — and that is a real ZIP code: Saint Robert, MO, 573 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (45658, 45685, 45856, 45865, 46855, 48655, …). The farthest-flung twin is 85645 in Amado, AZ, 1,690 miles away.
  • 🧭 Farther north than 83% of all ZIP codes, and farther east than 61%.
  • 🎯803 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48556 and you would come out at 43.03°S, 96.35°E — 1,310 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
🌙 The sky over 48556 today
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Source: USGS.

Land area

ZIP codes near 48556

ZIPCityDistance
48550 Flint, MI 2.1 mi
48509 Burton, MI 2.3 mi
48502 Flint, MI 2.5 mi
48506 Flint, MI 2.6 mi
48531 Flint, MI 3.2 mi
48505 Flint, MI 3.4 mi
48555 Flint, MI 3.6 mi
48503 Flint, MI 4.0 mi
48519 Burton, MI 4.1 mi
48529 Burton, MI 4.4 mi

Find every ZIP code within 10 miles of 48556 →

Questions about this ZIP code

Where is ZIP code 48556?

48556 is in Flint, Michigan, in Genesee County, part of the Flint, MI metropolitan area. Its published point location is 43.0327, -83.6463.

What county is 48556 in?

48556 lies in Genesee County.

What area code is 48556?

Flint uses area code 810, from NANPA's telephone records.

What time zone is 48556 in?

48556 uses America/Detroit.

What ZIP codes are near 48556?

The closest are 48550 (2.1 mi), 48509 (2.3 mi), 48502 (2.5 mi), 48506 (2.6 mi) and 48531 (3.2 mi).

Is 48556 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. “48556 ZIP Code — Flint, Michigan (Genesee County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48556

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/48556.json

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