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/48303

48303

ZIP 48303 is in Bloomfield Hills, Michigan, in Oakland County; area codes 248 and 947; Eastern time. Bloomfield Hills has 4 ZIP codes; the others are 48301, 48302 and 48304.

Type
No street area
Time zone
America/Detroit
County
Oakland
Coordinates
42.5836, -83.2455

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 48304, whose figures describe that area — not this ZIP code.

☼ Live from 48303 — Bloomfield Hills, MI

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Local time: —

Where 48303 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 48303
  • 🔢 Type 48303 into a pocket calculator and turn it upside down: EOEBh — not quite a word, sorry.
  • ➕ As a number, 48,303 = 3 × 3 × 3 × 1789. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110010101111
  • 🏠 Its numerical neighbours: 48302 (Bloomfield Hills, MI, 3 mi away) and 48304 (Bloomfield Hills, MI, 1 mi away).
  • 🔄 Backwards, 48303 becomes 30384 — and that is a real ZIP code: Atlanta, GA, 607 miles away.
  • 👥 25 other ZIP codes are made of exactly the same digits (03843, 04338, 08343, 30348, 30384, 30438, …). The farthest-flung twin is 34038 in APO AA, a military post office, 2,683 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 62%.
  • 🎯818 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48303 and you would come out at 42.58°S, 96.75°E — 1,277 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 48303 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments11This ZIP11
Employees953This ZIP953
Annual payroll$83,788,000This ZIP$83,788,000

Land area

ZIP codes near 48303

ZIPCityDistance
48304 Bloomfield Hills, MI 0.7 mi
48302 Bloomfield Hills, MI 3.0 mi
48007 Troy, MI 3.1 mi
48009 Birmingham, MI 3.1 mi
48012 Birmingham, MI 3.1 mi
48301 Bloomfield Hills, MI 3.4 mi
48098 Troy, MI 3.6 mi
48099 Troy, MI 3.7 mi
48341 Pontiac, MI 3.8 mi
48084 Troy, MI 3.9 mi

Find every ZIP code within 10 miles of 48303 →

Questions about this ZIP code

Where is ZIP code 48303?

48303 is in Bloomfield Hills, Michigan, in Oakland County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.5836, -83.2455.

What county is 48303 in?

48303 lies in Oakland County.

What area code is 48303?

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

What time zone is 48303 in?

48303 uses America/Detroit.

What ZIP codes are near 48303?

The closest are 48304 (0.7 mi), 48302 (3 mi), 48007 (3.1 mi), 48009 (3.1 mi) and 48012 (3.1 mi).

Is 48303 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. “48303 ZIP Code — Bloomfield Hills, Michigan (Oakland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48303

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/48303.json

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