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/49081

49081

ZIP 49081 is in Portage, Michigan, in Kalamazoo County; area code 269; Eastern time. Portage has 3 ZIP codes; the others are 49002 and 49024.

Type
No street area
Time zone
America/Detroit
County
Kalamazoo
Coordinates
42.1718, -85.6178

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 49024, whose figures describe that area — not this ZIP code.

☼ Live from 49081 — Portage, MI

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Local time: —

Where 49081 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 49081
  • 🔢 Type 49081 into a pocket calculator and turn it upside down: IBOGh — not quite a word, sorry.
  • ➕ 49081 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011111110111001
  • 🏠 Its numerical neighbours: 49080 (Plainwell, MI, 20 mi away) and 49082 (Quincy, MI, 41 mi away).
  • 🔄 Backwards, 49081 becomes 18094, which is not a ZIP code at all.
  • 👥 48 other ZIP codes are made of exactly the same digits (01984, 04918, 04981, 09184, 09418, 09814, …). The farthest-flung twin is 09814 in APO AE, a military post office, 7,487 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 55%.
  • 🎯694 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49081 and you would come out at 42.17°S, 94.38°E — 1,259 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 06m.
🌙 The sky over 49081 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments13This ZIP13
Employees338This ZIP338
Annual payroll$7,129,000This ZIP$7,129,000

Land area

ZIP codes near 49081

ZIPCityDistance
49024 Portage, MI 2.4 mi
49002 Portage, MI 3.6 mi
49087 Schoolcraft, MI 4.4 mi
49008 Kalamazoo, MI 6.4 mi
49077 Oshtemo, MI 6.7 mi
49003 Kalamazoo, MI 6.8 mi
49019 Kalamazoo, MI 6.8 mi
49001 Kalamazoo, MI 7.0 mi
49097 Vicksburg, MI 7.5 mi
49005 Kalamazoo, MI 8.4 mi

Find every ZIP code within 10 miles of 49081 →

Questions about this ZIP code

Where is ZIP code 49081?

49081 is in Portage, Michigan, in Kalamazoo County, part of the Kalamazoo-Portage, MI metropolitan area. Its published point location is 42.1718, -85.6178.

What county is 49081 in?

49081 lies in Kalamazoo County.

What area code is 49081?

Portage uses area code 269, from NANPA's telephone records.

What time zone is 49081 in?

49081 uses America/Detroit.

What ZIP codes are near 49081?

The closest are 49024 (2.4 mi), 49002 (3.6 mi), 49087 (4.4 mi), 49008 (6.4 mi) and 49077 (6.7 mi).

Is 49081 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. “49081 ZIP Code — Portage, Michigan (Kalamazoo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49081

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/49081.json

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