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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/49405

49405

ZIP 49405 is Custer, Michigan, in Mason County; area code 231; Eastern time.

Type
Standard
Time zone
America/Detroit
County
Mason
Metro area
Ludington, MI
Population
1,635
Coordinates
43.9073, -86.1897
☼ Live from 49405 — Custer, MI

Weather right now

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Local time: —

Where 49405 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 49405
  • 🔢 Type 49405 into a pocket calculator and turn it upside down: SOhGh — not quite a word, sorry.
  • ➕ As a number, 49,405 = 5 × 41 × 241. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100000011111101
  • 🏠 Its numerical neighbours: 49404 (Coopersville, MI, 60 mi away) and 49406 (Douglas, MI, 88 mi away).
  • 🔄 Backwards, 49405 becomes 50494, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (04459, 04495, 04549, 04945, 04954, 05449, …). The farthest-flung twin is 95044 in Redwood Estates, CA, 1,921 miles away.
  • 🧭 Farther north than 87% of all ZIP codes, and farther east than 53%.
  • 🎯696 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49405 and you would come out at 43.91°S, 93.81°E — 1,175 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 28m of daylight. Shortest: 8h 54m.
  • 📏 At 70.0 square miles of land, 49405 is bigger than 69% of ZIP codes — room for about 53 Central Parks.
🌙 The sky over 49405 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,635This ZIP1,635
Households618This ZIP618
Housing units918This ZIP918
Median age42.8This ZIP42.8Michigan40.2US 38.9
Median household income$70,139This ZIP$70,139Michigan$72,875US $80,734
Median home value$170,200This ZIP$170,200Michigan$231,600US $332,700
Median gross rent$788This ZIP$788Michigan$1,129US $1,413
Bachelor's degree or higher18.2%This ZIP18.2%
Mean commute24.6 minThis ZIP24.6 min
Population density23.4 / sq miThis ZIP23.4 / sq mi

Business and tax activity

Business establishments14This ZIP14
Employees74This ZIP74
Annual payroll$1,801,000This ZIP$1,801,000
Tax returns filed720This ZIP720
Total adjusted gross income$39,214,000This ZIP$39,214,000

Land area

Land area70.01 sq miThis ZIP70.01 sq mi
Water area0.55 sq miThis ZIP0.55 sq mi

Other place names in 49405

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

ZIP codes near 49405

ZIPCityDistance
49458 Walhalla, MI 4.7 mi
49454 Scottville, MI 5.5 mi
49410 Fountain, MI 8.5 mi
49402 Branch, MI 8.9 mi
49431 Ludington, MI 11.6 mi
49449 Pentwater, MI 12.6 mi
49459 Walkerville, MI 12.7 mi
49420 Hart, MI 13.7 mi
49411 Free Soil, MI 14.7 mi
49304 Baldwin, MI 15.8 mi

Find every ZIP code within 10 miles of 49405 →

Questions about this ZIP code

Where is ZIP code 49405?

49405 is in Custer, Michigan, in Mason County, part of the Ludington, MI micropolitan area. Its published point location is 43.9073, -86.1897.

What county is 49405 in?

49405 lies in Mason County.

What area code is 49405?

Custer uses area code 231, from NANPA's telephone records.

What time zone is 49405 in?

49405 uses America/Detroit.

How many people live in 49405?

About 1,635 people live in ZIP code 49405, in 618 households, at 23.4 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 49405?

$70,139 a year, against $72,875 across Michigan.

What ZIP codes are near 49405?

The closest are 49458 (4.7 mi), 49454 (5.5 mi), 49410 (8.5 mi), 49402 (8.9 mi) and 49431 (11.6 mi).

Is 49405 a PO Box ZIP code?

49405 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “49405 ZIP Code — Custer, Michigan (Mason County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49405

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