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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/01773

01773

ZIP 01773 is Lincoln, Massachusetts, in Middlesex County; area codes 781 and 339; Eastern time.

Type
Standard
Time zone
America/New_York
County
Middlesex
Population
4,891
Coordinates
42.4255, -71.3108
☼ Live from 01773 — Lincoln, MA

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Where 01773 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 01773
  • 🔢 Type 01773 into a pocket calculator and turn it upside down: ELLIO — not quite a word, sorry.
  • ➕ As a number, 1,773 = 3 × 3 × 197. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11011101101
  • 🏠 Its numerical neighbours: 01772 (Southborough, MA, 14 mi away) and 01775 (Stow, MA, 10 mi away).
  • 🔄 Backwards, 01773 becomes 37710 — and that is a real ZIP code: Briceville, TN, 818 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (03771, 07731, 13077, 17037, 17073, 17307, …). The farthest-flung twin is 77031 in Houston, TX, 1,607 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther east than 96%.
  • 🎯1,424 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 01773 and you would come out at 42.43°S, 108.69°E — 824 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 04m.
  • 📏 At 13.9 square miles of land, 01773 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 01773 today
  • Working out the sun…
🌋 Shake report
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Source: USGS.

People and housing

Population4,891This ZIP4,891
Households2,030This ZIP2,030
Housing units2,229This ZIP2,229
Median age52.5This ZIP52.5Massachusetts40.0US 38.9
Median household income$209,327This ZIP$209,327Massachusetts$103,960US $80,734
Median home value$1,200,800This ZIP$1,200,800Massachusetts$562,100US $332,700
Median gross rent$2,699This ZIP$2,699Massachusetts$1,762US $1,413
Bachelor's degree or higher88.0%This ZIP88.0%
Mean commute27.8 minThis ZIP27.8 min
Population density352.8 / sq miThis ZIP352.8 / sq mi

Business and tax activity

Business establishments144This ZIP144
Employees1,992This ZIP1,992
Annual payroll$152,534,000This ZIP$152,534,000
Tax returns filed2,900This ZIP2,900
Total adjusted gross income$1,255,372,000This ZIP$1,255,372,000

Land area

Land area13.86 sq miThis ZIP13.86 sq mi
Water area0.77 sq miThis ZIP0.77 sq mi

Other place names in 01773

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

ZIP codes near 01773

ZIPCityDistance
01731 Hanscom Afb, MA 3.0 mi
02451 Waltham, MA 3.4 mi
02421 Lexington, MA 3.7 mi
01742 Concord, MA 3.8 mi
02493 Weston, MA 4.5 mi
02452 Waltham, MA 5.1 mi
02420 Lexington, MA 5.3 mi
02453 Waltham, MA 5.3 mi
01730 Bedford, MA 5.3 mi
01778 Wayland, MA 5.4 mi

Find every ZIP code within 10 miles of 01773 →

Questions about this ZIP code

Where is ZIP code 01773?

01773 is in Lincoln, Massachusetts, in Middlesex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.4255, -71.3108.

What county is 01773 in?

01773 lies in Middlesex County.

What area code is 01773?

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

What time zone is 01773 in?

01773 uses America/New_York.

How many people live in 01773?

About 4,891 people live in ZIP code 01773, in 2,030 households, at 352.8 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 01773?

$209,327 a year, against $103,960 across Massachusetts.

What ZIP codes are near 01773?

The closest are 01731 (3 mi), 02451 (3.4 mi), 02421 (3.7 mi), 01742 (3.8 mi) and 02493 (4.5 mi).

Is 01773 a PO Box ZIP code?

01773 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “01773 ZIP Code — Lincoln, Massachusetts (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01773

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