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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/01501

01501

ZIP 01501 is Auburn, 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
16,877
Coordinates
42.1989, -71.8457
☼ Live from 01501 — Auburn, MA

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Local time: —

Where 01501 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 01501
  • 🔢 Type 01501 into a pocket calculator and turn it upside down: IOSIO — not quite a word, sorry.
  • ➕ As a number, 1,501 = 19 × 79. Its digits add up to 7, a total 150 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10111011101
  • 🏠 Its numerical neighbours: 01475 (Winchendon, MA, 34 mi away) and 01503 (Berlin, MA, 17 mi away).
  • 🔄 Backwards, 01501 becomes 10510 — and that is a real ZIP code: Briarcliff Manor, NY, 126 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (01105, 01510, 05101, 10105, 10150, 10501, …). The farthest-flung twin is 51001 in Akron, IA, 1,254 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther east than 95%.
  • 🎯1,398 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01501 and you would come out at 42.20°S, 108.15°E — 825 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
  • 📏 At 15.3 square miles of land, 01501 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
🌙 The sky over 01501 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population16,877This ZIP16,877
Households6,788This ZIP6,788
Housing units6,955This ZIP6,955
Median age44.8This ZIP44.8Massachusetts40.0US 38.9
Median household income$116,762This ZIP$116,762Massachusetts$103,960US $80,734
Median home value$400,800This ZIP$400,800Massachusetts$562,100US $332,700
Median gross rent$1,467This ZIP$1,467Massachusetts$1,762US $1,413
Bachelor's degree or higher45.5%This ZIP45.5%
Mean commute25.6 minThis ZIP25.6 min
Population density1,106.2 / sq miThis ZIP1,106.2 / sq mi

Business and tax activity

Business establishments628This ZIP628
Employees12,145This ZIP12,145
Annual payroll$744,886,000This ZIP$744,886,000
Tax returns filed9,050This ZIP9,050
Total adjusted gross income$779,461,000This ZIP$779,461,000

Land area

Land area15.26 sq miThis ZIP15.26 sq mi
Water area0.93 sq miThis ZIP0.93 sq mi

ZIP codes near 01501

ZIPCityDistance
01586 West Millbury, MA 2.9 mi
01603 Worcester, MA 3.1 mi
01542 Rochdale, MA 3.3 mi
01611 Cherry Valley, MA 3.3 mi
01607 Worcester, MA 3.5 mi
01527 Millbury, MA 3.5 mi
01537 North Oxford, MA 3.8 mi
01610 Worcester, MA 3.8 mi
01602 Worcester, MA 4.9 mi
01524 Leicester, MA 4.9 mi

Find every ZIP code within 10 miles of 01501 →

Questions about this ZIP code

Where is ZIP code 01501?

01501 is in Auburn, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.1989, -71.8457.

What county is 01501 in?

01501 lies in Worcester County.

What area code is 01501?

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

What time zone is 01501 in?

01501 uses America/New_York.

How many people live in 01501?

About 16,877 people live in ZIP code 01501, in 6,788 households, at 1,106.2 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 01501?

$116,762 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01501?

The closest are 01586 (2.9 mi), 01603 (3.1 mi), 01542 (3.3 mi), 01611 (3.3 mi) and 01607 (3.5 mi).

Is 01501 a PO Box ZIP code?

01501 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01501 ZIP Code — Auburn, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01501

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