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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/49666

49666

ZIP 49666 is Mayfield, Michigan, in Grand Traverse County; area code 231; Eastern time.

Type
No street area
Time zone
America/Detroit
Metro area
Traverse City, MI
Coordinates
44.6261, -85.5287

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 49649, whose figures describe that area — not this ZIP code.

☼ Live from 49666 — Mayfield, MI

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Local time: —

Where 49666 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 49666
  • 🔢 Type 49666 into a pocket calculator and turn it upside down: gggGh — not quite a word, sorry.
  • ➕ As a number, 49,666 = 2 × 19 × 1307. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100001000000010
  • 🏠 Its numerical neighbours: 49665 (Marion, MI, 41 mi away) and 49667 (Merritt, MI, 35 mi away).
  • 🔄 Backwards, 49666 becomes 66694, which is not a ZIP code at all.
  • 👥 3 other ZIP codes are made of exactly the same digits (66946, 66964, 94666). The farthest-flung twin is 94666 in Oakland, CA, 1,949 miles away.
  • 🧭 Farther north than 90% of all ZIP codes, and farther east than 55%.
  • 🎯744 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 49666 and you would come out at 44.63°S, 94.47°E — 1,183 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 34m of daylight. Shortest: 8h 49m.
🌙 The sky over 49666 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees9This ZIP9
Annual payroll$220,000This ZIP$220,000

Land area

ZIP codes near 49666

ZIPCityDistance
49696 Traverse City, MI 3.9 mi
49649 Kingsley, MI 4.3 mi
49637 Grawn, MI 9.0 mi
49685 Traverse City, MI 9.9 mi
49620 Buckley, MI 10.9 mi
49610 Acme, MI 11.5 mi
49684 Traverse City, MI 12.2 mi
49690 Williamsburg, MI 12.8 mi
49680 South Boardman, MI 14.2 mi
49643 Interlochen, MI 14.8 mi

Find every ZIP code within 10 miles of 49666 →

Questions about this ZIP code

Where is ZIP code 49666?

49666 is in Mayfield, Michigan, in Grand Traverse County, part of the Traverse City, MI metropolitan area. Its published point location is 44.6261, -85.5287.

What county is 49666 in?

49666 lies in Grand Traverse County.

What area code is 49666?

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

What time zone is 49666 in?

49666 uses America/Detroit.

What ZIP codes are near 49666?

The closest are 49696 (3.9 mi), 49649 (4.3 mi), 49637 (9 mi), 49685 (9.9 mi) and 49620 (10.9 mi).

Is 49666 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. “49666 ZIP Code — Mayfield, Michigan (Grand Traverse County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49666

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curl https://zipcodes.pro/zip/49666.json

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