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/48099

48099

ZIP 48099 is in Troy, Michigan, in Oakland County; area codes 248 and 947; Eastern time. Troy has 6 ZIP codes; the others are 48007, 48083, 48084, 48085 and 48098.

Type
No street area
Time zone
America/Detroit
County
Oakland
Coordinates
42.5876, -83.1737

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 48098, whose figures describe that area — not this ZIP code.

☼ Live from 48099 — Troy, MI

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Local time: —

Where 48099 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 48099
  • 🔢 Type 48099 into a pocket calculator and turn it upside down: GGOBh — not quite a word, sorry.
  • ➕ As a number, 48,099 = 3 × 16033. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011101111100011
  • 🏠 Its numerical neighbours: 48098 (Troy, MI, 1 mi away) and 48101 (Allen Park, MI, 23 mi away).
  • 🔄 Backwards, 48099 becomes 99084, which is not a ZIP code at all.
  • 👥 16 other ZIP codes are made of exactly the same digits (04989, 09498, 09894, 48909, 49089, 49098, …). The farthest-flung twin is 09894 in APO AE, a military post office, 6,800 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 62%.
  • 🎯822 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48099 and you would come out at 42.59°S, 96.83°E — 1,274 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 03m.
🌙 The sky over 48099 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments17This ZIP17
Employees606This ZIP606
Annual payroll$29,982,000This ZIP$29,982,000

Land area

ZIP codes near 48099

ZIPCityDistance
48098 Troy, MI 0.8 mi
48037 Southfield, MI 1.8 mi
48084 Troy, MI 1.9 mi
48085 Troy, MI 2.9 mi
48304 Bloomfield Hills, MI 3.0 mi
48012 Birmingham, MI 3.4 mi
48083 Troy, MI 3.6 mi
48303 Bloomfield Hills, MI 3.7 mi
48017 Clawson, MI 3.7 mi
48009 Birmingham, MI 3.7 mi

Find every ZIP code within 10 miles of 48099 →

Questions about this ZIP code

Where is ZIP code 48099?

48099 is in Troy, Michigan, in Oakland County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.5876, -83.1737.

What county is 48099 in?

48099 lies in Oakland County.

What area code is 48099?

Troy uses area codes 248 and 947, from NANPA's telephone records.

What time zone is 48099 in?

48099 uses America/Detroit.

What ZIP codes are near 48099?

The closest are 48098 (0.8 mi), 48037 (1.8 mi), 48084 (1.9 mi), 48085 (2.9 mi) and 48304 (3 mi).

Is 48099 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. “48099 ZIP Code — Troy, Michigan (Oakland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48099

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/48099.json

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