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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/48390

48390

ZIP 48390 is in Walled Lake, Michigan, in Oakland County; area codes 248 and 947; Eastern time. Walled Lake has 2 ZIP codes; the other is 48391.

Type
Standard
Time zone
America/Detroit
County
Oakland
Population
23,939
Coordinates
42.5507, -83.4742
☼ Live from 48390 — Walled Lake, MI

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Local time: —

Where 48390 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 48390
  • 🔢 Type 48390 into a pocket calculator and turn it upside down: OGEBh — not quite a word, sorry.
  • ➕ As a number, 48,390 = 2 × 3 × 5 × 1613. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110100000110
  • 🏠 Its numerical neighbours: 48387 (Union Lake, MI, 5 mi away) and 48391 (Walled Lake, MI, 1 mi away).
  • 🔄 Backwards, 48390 becomes 09384, which is not a ZIP code at all.
  • 👥 39 other ZIP codes are made of exactly the same digits (03849, 03894, 04938, 04983, 08349, 09834, …). The farthest-flung twin is 09834 in FPO AE, a military post office, 6,859 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 61%.
  • 🎯806 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48390 and you would come out at 42.55°S, 96.53°E — 1,286 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
  • 📏 At 12.5 square miles of land, 48390 is bigger than 30% of ZIP codes — room for about 9.5 Central Parks.
🌙 The sky over 48390 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population23,939This ZIP23,939
Households10,421This ZIP10,421
Housing units10,923This ZIP10,923
Median age43.1This ZIP43.1Michigan40.2US 38.9
Median household income$91,381This ZIP$91,381Michigan$72,875US $80,734
Median home value$309,400This ZIP$309,400Michigan$231,600US $332,700
Median gross rent$1,690This ZIP$1,690Michigan$1,129US $1,413
Bachelor's degree or higher41.8%This ZIP41.8%
Mean commute24.9 minThis ZIP24.9 min
Population density1,918.8 / sq miThis ZIP1,918.8 / sq mi

Business and tax activity

Business establishments772This ZIP772
Employees9,857This ZIP9,857
Annual payroll$497,040,000This ZIP$497,040,000
Tax returns filed13,380This ZIP13,380
Total adjusted gross income$1,285,093,000This ZIP$1,285,093,000

Land area

Land area12.48 sq miThis ZIP12.48 sq mi
Water area0.93 sq miThis ZIP0.93 sq mi

Other place names in 48390

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 48390

ZIPCityDistance
48391 Walled Lake, MI 1.0 mi
48382 Commerce Township, MI 2.9 mi
48377 Novi, MI 3.1 mi
48393 Wixom, MI 4.1 mi
48387 Union Lake, MI 4.6 mi
48322 West Bloomfield, MI 4.7 mi
48331 Farmington, MI 4.7 mi
48323 West Bloomfield, MI 5.1 mi
48324 West Bloomfield, MI 5.1 mi
48376 Novi, MI 5.5 mi

Find every ZIP code within 10 miles of 48390 →

Questions about this ZIP code

Where is ZIP code 48390?

48390 is in Walled Lake, Michigan, in Oakland County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.5507, -83.4742.

What county is 48390 in?

48390 lies in Oakland County.

What area code is 48390?

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

What time zone is 48390 in?

48390 uses America/Detroit.

How many people live in 48390?

About 23,939 people live in ZIP code 48390, in 10,421 households, at 1,918.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 48390?

$91,381 a year, against $72,875 across Michigan.

What ZIP codes are near 48390?

The closest are 48391 (1 mi), 48382 (2.9 mi), 48377 (3.1 mi), 48393 (4.1 mi) and 48387 (4.6 mi).

Is 48390 a PO Box ZIP code?

48390 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48390 ZIP Code — Walled Lake, Michigan (Oakland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48390

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