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zipcodes.pro — ZIP/01571

01571

ZIP 01571 is Dudley, Massachusetts, in Worcester County; area codes 508 and 774; Eastern time.

Type
Standard
Time zone
America/New_York
County
Worcester
Metro area
Worcester, MA
Population
11,929
Coordinates
42.0538, -71.9351
☼ Live from 01571 — Dudley, MA

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Where 01571 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 01571
  • 🔢 Type 01571 into a pocket calculator and turn it upside down: ILSIO — not quite a word, sorry.
  • ➕ 01571 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000100011
  • 🏠 Its numerical neighbours: 01570 (Webster, MA, 5 mi away) and 01581 (Westborough, MA, 22 mi away).
  • 🔄 Backwards, 01571 becomes 17510, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (07511, 10157, 10175, 10517, 11507, 11570, …). The farthest-flung twin is 75101 in Bardwell, TX, 1,515 miles away.
  • 🧭 Farther north than 76% of all ZIP codes, and farther east than 95%.
  • 🎯1,393 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01571 and you would come out at 42.05°S, 108.06°E — 819 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
  • 📏 At 20.8 square miles of land, 01571 is bigger than 38% of ZIP codes — room for about 16 Central Parks.
🌙 The sky over 01571 today
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🌋 Shake report
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Source: USGS.

People and housing

Population11,929This ZIP11,929
Households4,375This ZIP4,375
Housing units4,474This ZIP4,474
Median age40.2This ZIP40.2Massachusetts40.0US 38.9
Median household income$84,604This ZIP$84,604Massachusetts$103,960US $80,734
Median home value$392,600This ZIP$392,600Massachusetts$562,100US $332,700
Median gross rent$1,217This ZIP$1,217Massachusetts$1,762US $1,413
Bachelor's degree or higher24.1%This ZIP24.1%
Mean commute27.4 minThis ZIP27.4 min
Population density572.6 / sq miThis ZIP572.6 / sq mi

Business and tax activity

Business establishments177This ZIP177
Employees2,611This ZIP2,611
Annual payroll$121,976,000This ZIP$121,976,000
Tax returns filed5,970This ZIP5,970
Total adjusted gross income$454,637,000This ZIP$454,637,000

Land area

Land area20.83 sq miThis ZIP20.83 sq mi
Water area1.06 sq miThis ZIP1.06 sq mi

ZIP codes near 01571

ZIPCityDistance
06245 Fabyan, CT 2.4 mi
06262 Quinebaug, CT 2.5 mi
01570 Webster, MA 4.6 mi
06255 North Grosvenordale, CT 4.7 mi
01550 Southbridge, MA 5.1 mi
06244 East Woodstock, CT 5.3 mi
01540 Oxford, MA 5.6 mi
01507 Charlton, MA 5.8 mi
06246 Grosvenor Dale, CT 6.1 mi
06281 Woodstock, CT 6.9 mi

Find every ZIP code within 10 miles of 01571 →

Questions about this ZIP code

Where is ZIP code 01571?

01571 is in Dudley, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.0538, -71.9351.

What county is 01571 in?

01571 lies in Worcester County.

What area code is 01571?

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

What time zone is 01571 in?

01571 uses America/New_York.

How many people live in 01571?

About 11,929 people live in ZIP code 01571, in 4,375 households, at 572.6 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 01571?

$84,604 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01571?

The closest are 06245 (2.4 mi), 06262 (2.5 mi), 01570 (4.6 mi), 06255 (4.7 mi) and 01550 (5.1 mi).

Is 01571 a PO Box ZIP code?

01571 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “01571 ZIP Code — Dudley, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01571

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