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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/48340

48340

ZIP 48340 is in Pontiac, Michigan, in Oakland County; area codes 248 and 947; Eastern time. Pontiac has 4 ZIP codes; the others are 48341, 48342 and 48343.

Type
Standard
Time zone
America/Detroit
County
Oakland
Population
25,669
Coordinates
42.6721, -83.2879
☼ Live from 48340 — Pontiac, MI

Weather right now

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Local time: —

Where 48340 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 48340
  • 🔢 Type 48340 into a pocket calculator and turn it upside down: OhEBh — not quite a word, sorry.
  • ➕ As a number, 48,340 = 2 × 2 × 5 × 2417. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011110011010100
  • 🏠 Its numerical neighbours: 48336 (Farmington, MI, 15 mi away) and 48341 (Pontiac, MI, 3 mi away).
  • 🔄 Backwards, 48340 becomes 04384, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (03448, 03844, 04348, 04438, 04843, 08344, …). The farthest-flung twin is 84034 in Ibapah, UT, 1,589 miles away.
  • 🧭 Farther north than 80% of all ZIP codes, and farther east than 62%.
  • 🎯817 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 48340 and you would come out at 42.67°S, 96.71°E — 1,282 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 02m.
  • 📏 At 7.7 square miles of land, 48340 is bigger than 24% of ZIP codes — room for about 5.8 Central Parks.
🌙 The sky over 48340 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population25,669This ZIP25,669
Households11,037This ZIP11,037
Housing units12,088This ZIP12,088
Median age34.6This ZIP34.6Michigan40.2US 38.9
Median household income$47,891This ZIP$47,891Michigan$72,875US $80,734
Median home value$119,900This ZIP$119,900Michigan$231,600US $332,700
Median gross rent$1,135This ZIP$1,135Michigan$1,129US $1,413
Bachelor's degree or higher13.9%This ZIP13.9%
Mean commute21.4 minThis ZIP21.4 min
Population density3,351.9 / sq miThis ZIP3,351.9 / sq mi

Business and tax activity

Business establishments326This ZIP326
Employees6,764This ZIP6,764
Annual payroll$491,317,000This ZIP$491,317,000
Tax returns filed10,110This ZIP10,110
Total adjusted gross income$361,724,000This ZIP$361,724,000

Land area

Land area7.66 sq miThis ZIP7.66 sq mi
Water area0.12 sq miThis ZIP0.12 sq mi

Other place names in 48340

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

ZIP codes near 48340

ZIPCityDistance
48342 Pontiac, MI 2.0 mi
48343 Pontiac, MI 2.3 mi
48326 Auburn Hills, MI 2.5 mi
48341 Pontiac, MI 3.2 mi
48359 Lake Orion, MI 3.4 mi
48330 Drayton Plains, MI 3.9 mi
48328 Waterford, MI 4.1 mi
48007 Troy, MI 4.6 mi
48320 Keego Harbor, MI 4.9 mi
48321 Auburn Hills, MI 5.1 mi

Find every ZIP code within 10 miles of 48340 →

Questions about this ZIP code

Where is ZIP code 48340?

48340 is in Pontiac, Michigan, in Oakland County, part of the Detroit-Warren-Dearborn, MI metropolitan area. Its published point location is 42.6721, -83.2879.

What county is 48340 in?

48340 lies in Oakland County.

What area code is 48340?

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

What time zone is 48340 in?

48340 uses America/Detroit.

How many people live in 48340?

About 25,669 people live in ZIP code 48340, in 11,037 households, at 3,351.9 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 48340?

$47,891 a year, against $72,875 across Michigan.

What ZIP codes are near 48340?

The closest are 48342 (2 mi), 48343 (2.3 mi), 48326 (2.5 mi), 48341 (3.2 mi) and 48359 (3.4 mi).

Is 48340 a PO Box ZIP code?

48340 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “48340 ZIP Code — Pontiac, Michigan (Oakland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48340

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