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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/01901

01901

ZIP 01901 is in Lynn, Massachusetts, in Essex County; area codes 781 and 339; Eastern time. Lynn has 6 ZIP codes; the others are 01902, 01903, 01904, 01905 and 01910.

Type
Standard
Time zone
America/New_York
County
Essex
Population
2,419
Coordinates
42.4604, -70.9464
☼ Live from 01901 — Lynn, MA

Weather right now

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Local time: —

Where 01901 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 01901
  • 🔢 Type 01901 into a pocket calculator and turn it upside down: IOGIO — not quite a word, sorry.
  • ➕ 01901 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11101101101
  • 🏠 Its numerical neighbours: 01899 (Andover, MA, 17 mi away) and 01902 (Lynn, MA, 1 mi away).
  • 🔄 Backwards, 01901 becomes 10910 — and that is a real ZIP code: Arden, NY, 183 miles away.
  • 👥 13 other ZIP codes are made of exactly the same digits (00911, 01109, 01910, 09110, 10019, 10109, …). The farthest-flung twin is 09110 in APO AE, a military post office, 3,648 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 96%.
  • 🎯1,443 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01901 and you would come out at 42.46°S, 109.05°E — 816 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
  • 📏 At 0.271 square miles of land, 01901 is bigger than 3% of ZIP codes — about 131 football fields.
🌙 The sky over 01901 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,419This ZIP2,419
Households1,502This ZIP1,502
Housing units1,626This ZIP1,626
Median age40.7This ZIP40.7Massachusetts40.0US 38.9
Median household income$36,119This ZIP$36,119Massachusetts$103,960US $80,734
Median gross rent$1,363This ZIP$1,363Massachusetts$1,762US $1,413
Bachelor's degree or higher34.7%This ZIP34.7%
Mean commute33.3 minThis ZIP33.3 min
Population density8,926.2 / sq miThis ZIP8,926.2 / sq mi

Business and tax activity

Business establishments321This ZIP321
Employees5,113This ZIP5,113
Annual payroll$334,429,000This ZIP$334,429,000
Tax returns filed1,500This ZIP1,500
Total adjusted gross income$81,684,000This ZIP$81,684,000

Land area

Land area0.27 sq miThis ZIP0.27 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 01901

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

ZIP codes near 01901

ZIPCityDistance
01903 Lynn, MA 0.5 mi
01902 Lynn, MA 0.8 mi
01905 Lynn, MA 1.3 mi
01910 Lynn, MA 1.5 mi
01907 Swampscott, MA 2.2 mi
01908 Nahant, MA 2.5 mi
01904 Lynn, MA 2.5 mi
01906 Saugus, MA 3.4 mi
02151 Revere, MA 4.0 mi
01960 Peabody, MA 5.2 mi

Find every ZIP code within 10 miles of 01901 →

Questions about this ZIP code

Where is ZIP code 01901?

01901 is in Lynn, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.4604, -70.9464.

What county is 01901 in?

01901 lies in Essex County.

What area code is 01901?

Lynn uses area codes 781 and 339, from NANPA's telephone records.

What time zone is 01901 in?

01901 uses America/New_York.

How many people live in 01901?

About 2,419 people live in ZIP code 01901, in 1,502 households, at 8,926.2 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 01901?

$36,119 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01901?

The closest are 01903 (0.5 mi), 01902 (0.8 mi), 01905 (1.3 mi), 01910 (1.5 mi) and 01907 (2.2 mi).

Is 01901 a PO Box ZIP code?

01901 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01901 ZIP Code — Lynn, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01901

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