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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/01718

01718

ZIP 01718 is in Acton, Massachusetts, in Middlesex County; area codes 978 and 351; Eastern time. Acton has 2 ZIP codes; the other is 01720.

Type
Standard
Time zone
America/New_York
County
Middlesex
Population
404
Coordinates
42.5228, -71.4303
☼ Live from 01718 — Acton, MA

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Where 01718 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 01718
  • 🔢 Type 01718 into a pocket calculator and turn it upside down: BILIO — not quite a word, sorry.
  • ➕ As a number, 1,718 = 2 × 859. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11010110110
  • 🏠 Its numerical neighbours: 01705 (Framingham, MA, 5 mi away) and 01719 (Boxborough, MA, 5 mi away).
  • 🔄 Backwards, 01718 becomes 81710, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (10178, 11780, 17018, 17081, 17108, 17801, …). The farthest-flung twin is 87101 in Albuquerque, NM, 1,949 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 95%.
  • 🎯1,418 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01718 and you would come out at 42.52°S, 108.57°E — 832 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
  • 📏 At 0.138 square miles of land, 01718 is bigger than 2% of ZIP codes — about 67 football fields.
🌙 The sky over 01718 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population404This ZIP404
Households236This ZIP236
Housing units236This ZIP236
Median age58.7This ZIP58.7Massachusetts40.0US 38.9
Median household income$104,167This ZIP$104,167Massachusetts$103,960US $80,734
Median home value$375,800This ZIP$375,800Massachusetts$562,100US $332,700
Bachelor's degree or higher85.2%This ZIP85.2%
Mean commute27.1 minThis ZIP27.1 min
Population density2,927.5 / sq miThis ZIP2,927.5 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees7This ZIP7
Annual payroll$488,000This ZIP$488,000
Tax returns filed320This ZIP320
Total adjusted gross income$42,920,000This ZIP$42,920,000

Land area

Land area0.14 sq miThis ZIP0.14 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

ZIP codes near 01718

ZIPCityDistance
01720 Acton, MA 2.7 mi
01460 Littleton, MA 3.2 mi
01741 Carlisle, MA 3.6 mi
01886 Westford, MA 4.4 mi
01719 Boxborough, MA 5.3 mi
01742 Concord, MA 5.3 mi
01703 Framingham, MA 5.5 mi
01704 Framingham, MA 5.5 mi
01705 Framingham, MA 5.5 mi
02456 New Town, MA 5.5 mi

Find every ZIP code within 10 miles of 01718 →

Questions about this ZIP code

Where is ZIP code 01718?

01718 is in Acton, Massachusetts, in Middlesex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.5228, -71.4303.

What county is 01718 in?

01718 lies in Middlesex County.

What area code is 01718?

Acton uses area codes 978 and 351, from NANPA's telephone records.

What time zone is 01718 in?

01718 uses America/New_York.

How many people live in 01718?

About 404 people live in ZIP code 01718, in 236 households, at 2,927.5 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 01718?

$104,167 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01718?

The closest are 01720 (2.7 mi), 01460 (3.2 mi), 01741 (3.6 mi), 01886 (4.4 mi) and 01719 (5.3 mi).

Is 01718 a PO Box ZIP code?

01718 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “01718 ZIP Code — Acton, Massachusetts (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01718

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