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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/01586

01586

ZIP 01586 is West Millbury, Massachusetts, in Worcester County; area codes 774 and 508; Eastern time.

Type
No street area
Time zone
America/New_York
County
Worcester
Metro area
Worcester, MA
Coordinates
42.1712, -71.8037

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 01527, whose figures describe that area — not this ZIP code.

☼ Live from 01586 — West Millbury, MA

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Where 01586 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 01586
  • 🔢 Type 01586 into a pocket calculator and turn it upside down: gBSIO — not quite a word, sorry.
  • ➕ As a number, 1,586 = 2 × 13 × 61. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000110010
  • 🏠 Its numerical neighbours: 01585 (West Brookfield, MA, 19 mi away) and 01588 (Whitinsville, MA, 8 mi away).
  • 🔄 Backwards, 01586 becomes 68510 — and that is a real ZIP code: Lincoln, NE, 1,285 miles away.
  • 👥 51 other ZIP codes are made of exactly the same digits (01568, 01865, 05681, 05861, 06518, 06851, …). The farthest-flung twin is 85601 in Arivaca, AZ, 2,281 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 95%.
  • 🎯1,400 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01586 and you would come out at 42.17°S, 108.20°E — 822 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 06m.
🌙 The sky over 01586 today
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Source: USGS.

Land area

ZIP codes near 01586

ZIPCityDistance
01527 Millbury, MA 2.0 mi
01501 Auburn, MA 2.9 mi
01590 Sutton, MA 3.8 mi
01607 Worcester, MA 3.9 mi
01537 North Oxford, MA 4.9 mi
01540 Oxford, MA 4.9 mi
01610 Worcester, MA 5.2 mi
01603 Worcester, MA 5.4 mi
01542 Rochdale, MA 5.9 mi
01604 Worcester, MA 6.0 mi

Find every ZIP code within 10 miles of 01586 →

Questions about this ZIP code

Where is ZIP code 01586?

01586 is in West Millbury, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.1712, -71.8037.

What county is 01586 in?

01586 lies in Worcester County.

What area code is 01586?

West Millbury uses area codes 774 and 508, from NANPA's telephone records.

What time zone is 01586 in?

01586 uses America/New_York.

What ZIP codes are near 01586?

The closest are 01527 (2 mi), 01501 (2.9 mi), 01590 (3.8 mi), 01607 (3.9 mi) and 01537 (4.9 mi).

Is 01586 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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zipcodes.pro. “01586 ZIP Code — West Millbury, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01586

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