Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/02540

02540

ZIP 02540 is in Falmouth, Massachusetts, in Barnstable County; area codes 508 and 774; Eastern time. Falmouth has 2 ZIP codes; the other is 02541.

Type
Standard
Time zone
America/New_York
County
Barnstable
Metro area
Barnstable Town, MA
Population
8,104
Coordinates
41.5695, -70.6272
☼ Live from 02540 — Falmouth, MA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 02540 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 02540
  • 🔢 Type 02540 into a pocket calculator and turn it upside down: OhSZO — not quite a word, sorry.
  • ➕ As a number, 2,540 = 2 × 2 × 5 × 127. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 100111101100
  • 🏠 Its numerical neighbours: 02539 (Edgartown, MA, 14 mi away) and 02541 (Falmouth, MA, 1 mi away).
  • 🔄 Backwards, 02540 becomes 04520, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (02045, 02054, 04250, 05042, 05402, 20045, …). The farthest-flung twin is 50042 in Brayton, IA, 1,251 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther east than 97%.
  • 🎯1,463 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 02540 and you would come out at 41.57°S, 109.37°E — 755 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 11.0 square miles of land, 02540 is bigger than 28% of ZIP codes — room for about 8.4 Central Parks.
🌙 The sky over 02540 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population8,104This ZIP8,104
Households4,161This ZIP4,161
Housing units6,300This ZIP6,300
Median age62.7This ZIP62.7Massachusetts40.0US 38.9
Median household income$77,295This ZIP$77,295Massachusetts$103,960US $80,734
Median home value$844,500This ZIP$844,500Massachusetts$562,100US $332,700
Median gross rent$1,390This ZIP$1,390Massachusetts$1,762US $1,413
Bachelor's degree or higher61.2%This ZIP61.2%
Mean commute16.1 minThis ZIP16.1 min
Population density736.4 / sq miThis ZIP736.4 / sq mi

Business and tax activity

Business establishments455This ZIP455
Employees5,346This ZIP5,346
Annual payroll$326,531,000This ZIP$326,531,000
Tax returns filed4,430This ZIP4,430
Total adjusted gross income$607,055,000This ZIP$607,055,000

Land area

Land area11.01 sq miThis ZIP11.01 sq mi
Water area1.90 sq miThis ZIP1.90 sq mi

Other place names in 02540

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

ZIP codes near 02540

ZIPCityDistance
02541 Falmouth, MA 1.4 mi
02574 West Falmouth, MA 2.4 mi
02536 East Falmouth, MA 3.6 mi
02556 North Falmouth, MA 4.8 mi
02534 Cataumet, MA 6.9 mi
02649 Mashpee, MA 7.7 mi
02568 Vineyard Haven, MA 8.3 mi
02559 Pocasset, MA 8.4 mi
02557 Oak Bluffs, MA 9.2 mi
02644 Forestdale, MA 9.9 mi

Find every ZIP code within 10 miles of 02540 →

Questions about this ZIP code

Where is ZIP code 02540?

02540 is in Falmouth, Massachusetts, in Barnstable County, part of the Barnstable Town, MA metropolitan area. Its published point location is 41.5695, -70.6272.

What county is 02540 in?

02540 lies in Barnstable County.

What area code is 02540?

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

What time zone is 02540 in?

02540 uses America/New_York.

How many people live in 02540?

About 8,104 people live in ZIP code 02540, in 4,161 households, at 736.4 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 02540?

$77,295 a year, against $103,960 across Massachusetts.

What ZIP codes are near 02540?

The closest are 02541 (1.4 mi), 02574 (2.4 mi), 02536 (3.6 mi), 02556 (4.8 mi) and 02534 (6.9 mi).

Is 02540 a PO Box ZIP code?

02540 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “02540 ZIP Code — Falmouth, Massachusetts (Barnstable County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02540

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/02540.json

Underlying data is public domain or openly licensed — sources, vintages and licences.