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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/01865

01865

ZIP 01865 is Nutting Lake, Massachusetts, in Middlesex County; Eastern time.

Type
No street area
Time zone
America/New_York
County
Middlesex
Coordinates
42.5379, -71.2689

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 01821, whose figures describe that area — not this ZIP code.

☼ Live from 01865 — Nutting Lake, MA

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Where 01865 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 01865
  • 🔢 Type 01865 into a pocket calculator and turn it upside down: SgBIO — not quite a word, sorry.
  • ➕ As a number, 1,865 = 5 × 373. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11101001001
  • 🏠 Its numerical neighbours: 01864 (North Reading, MA, 10 mi away) and 01866 (Pinehurst, MA, 2 mi away).
  • 🔄 Backwards, 01865 becomes 56810, which is not a ZIP code at all.
  • 👥 51 other ZIP codes are made of exactly the same digits (01568, 01586, 05681, 05861, 06518, 06851, …). The farthest-flung twin is 85601 in Arivaca, AZ, 2,310 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 96%.
  • 🎯1,426 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01865 and you would come out at 42.54°S, 108.73°E — 829 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
🌙 The sky over 01865 today
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees5This ZIP5
Annual payroll$232,000This ZIP$232,000

Land area

ZIP codes near 01865

ZIPCityDistance
01821 Billerica, MA 1.2 mi
01822 Billerica, MA 1.4 mi
01866 Pinehurst, MA 2.2 mi
01730 Bedford, MA 2.7 mi
01862 North Billerica, MA 3.1 mi
01803 Burlington, MA 4.2 mi
01805 Burlington, MA 4.4 mi
01741 Carlisle, MA 4.7 mi
01731 Hanscom Afb, MA 5.1 mi
01876 Tewksbury, MA 5.5 mi

Find every ZIP code within 10 miles of 01865 →

Questions about this ZIP code

Where is ZIP code 01865?

01865 is in Nutting Lake, Massachusetts, in Middlesex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.5379, -71.2689.

What county is 01865 in?

01865 lies in Middlesex County.

What time zone is 01865 in?

01865 uses America/New_York.

What ZIP codes are near 01865?

The closest are 01821 (1.2 mi), 01822 (1.4 mi), 01866 (2.2 mi), 01730 (2.7 mi) and 01862 (3.1 mi).

Is 01865 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. “01865 ZIP Code — Nutting Lake, Massachusetts (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01865

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/01865.json

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