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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/01540

01540

ZIP 01540 is Oxford, 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
10,979
Coordinates
42.1137, -71.8608
☼ Live from 01540 — Oxford, MA

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Where 01540 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 01540
  • 🔢 Type 01540 into a pocket calculator and turn it upside down: OhSIO — not quite a word, sorry.
  • ➕ As a number, 1,540 = 2 × 2 × 5 × 7 × 11. Its digits add up to 10, a total 513 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11000000100
  • 🏠 Its numerical neighbours: 01538 (North Uxbridge, MA, 11 mi away) and 01541 (Princeton, MA, 24 mi away).
  • 🔄 Backwards, 01540 becomes 04510, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (01054, 01450, 01504, 04015, 04051, 04105, …). The farthest-flung twin is 51040 in Onawa, IA, 1,237 miles away.
  • 🧭 Farther north than 76% of all ZIP codes, and farther east than 95%.
  • 🎯1,397 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01540 and you would come out at 42.11°S, 108.14°E — 820 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 06m.
  • 📏 At 19.1 square miles of land, 01540 is bigger than 37% of ZIP codes — room for about 15 Central Parks.
🌙 The sky over 01540 today
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🌋 Shake report
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Source: USGS.

People and housing

Population10,979This ZIP10,979
Households4,039This ZIP4,039
Housing units4,186This ZIP4,186
Median age44.2This ZIP44.2Massachusetts40.0US 38.9
Median household income$110,579This ZIP$110,579Massachusetts$103,960US $80,734
Median home value$376,100This ZIP$376,100Massachusetts$562,100US $332,700
Median gross rent$1,173This ZIP$1,173Massachusetts$1,762US $1,413
Bachelor's degree or higher29.8%This ZIP29.8%
Mean commute29.2 minThis ZIP29.2 min
Population density574.7 / sq miThis ZIP574.7 / sq mi

Business and tax activity

Business establishments235This ZIP235
Employees4,573This ZIP4,573
Annual payroll$320,483,000This ZIP$320,483,000
Tax returns filed5,840This ZIP5,840
Total adjusted gross income$454,890,000This ZIP$454,890,000

Land area

Land area19.10 sq miThis ZIP19.10 sq mi
Water area0.79 sq miThis ZIP0.79 sq mi

Other place names in 01540

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 01540

ZIPCityDistance
01537 North Oxford, MA 3.6 mi
01570 Webster, MA 4.5 mi
01586 West Millbury, MA 4.9 mi
01571 Dudley, MA 5.6 mi
01507 Charlton, MA 5.7 mi
01590 Sutton, MA 5.8 mi
01501 Auburn, MA 5.9 mi
01526 Manchaug, MA 6.0 mi
01542 Rochdale, MA 6.7 mi
01527 Millbury, MA 6.9 mi

Find every ZIP code within 10 miles of 01540 →

Questions about this ZIP code

Where is ZIP code 01540?

01540 is in Oxford, Massachusetts, in Worcester County, part of the Worcester, MA metropolitan area. Its published point location is 42.1137, -71.8608.

What county is 01540 in?

01540 lies in Worcester County.

What area code is 01540?

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

What time zone is 01540 in?

01540 uses America/New_York.

How many people live in 01540?

About 10,979 people live in ZIP code 01540, in 4,039 households, at 574.7 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 01540?

$110,579 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01540?

The closest are 01537 (3.6 mi), 01570 (4.5 mi), 01586 (4.9 mi), 01571 (5.6 mi) and 01507 (5.7 mi).

Is 01540 a PO Box ZIP code?

01540 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01540 ZIP Code — Oxford, Massachusetts (Worcester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01540

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