01842

ZIP 01842 is in Lawrence, Massachusetts, in Essex County; area codes 978, 508 and 351; Eastern time. Lawrence has 4 ZIP codes; the others are 01840, 01841 and 01843.

Type: No street area
Time zone: America/New_York
County: Essex
Metro area: Boston-Cambridge-Newton, MA-NH
Coordinates: 42.7070, -71.1631

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 01840, whose figures describe that area — not this ZIP code.

☼ Live from 01842 — Lawrence, MA

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Where 01842 is

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This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 01842

🔢 Type 01842 into a pocket calculator and turn it upside down: ZhBIO — not quite a word, sorry.
➕ As a number, 1,842 = 2 × 3 × 307. Its digits add up to 15, a total 1,657 other ZIP codes share.
💾In binary, the way a computer stores it: 11100110010
🏠 Its numerical neighbours: 01841 (Lawrence, MA, 1 mi away) and 01843 (Lawrence, MA, 1 mi away).
🔄 Backwards, 01842 becomes 24810, which is not a ZIP code at all.
👥 58 other ZIP codes are made of exactly the same digits (01824, 02148, 02184, 02481, 02814, 02841, …). The farthest-flung twin is 84120 in West Valley City, UT, 2,091 miles away.
🧭 Farther north than 81% of all ZIP codes, and farther east than 96%.
🎯1,431 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 01842 and you would come out at 42.71°S, 108.84°E — 837 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.

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Source: USGS.

Business and tax activity

Business establishments	20This ZIP20
Employees	211This ZIP211
Annual payroll	$14,089,000This ZIP$14,089,000

Land area

ZIP codes near 01842

ZIP	City	Distance
`01840`	Lawrence, MA	0.1 mi
`01841`	Lawrence, MA	0.9 mi
`01843`	Lawrence, MA	1.2 mi
`01844`	Methuen, MA	2.6 mi
`01899`	Andover, MA	3.6 mi
`01810`	Andover, MA	4.1 mi
`01812`	Andover, MA	4.3 mi
`05501`	Andover, MA	4.3 mi
`05544`	Andover, MA	4.3 mi
`01845`	North Andover, MA	4.3 mi

Find every ZIP code within 10 miles of 01842 →

Questions about this ZIP code

Where is ZIP code 01842?

01842 is in Lawrence, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.7070, -71.1631.

What county is 01842 in?

01842 lies in Essex County.

What area code is 01842?

Lawrence uses area codes 978, 508 and 351, from NANPA's telephone records.

What time zone is 01842 in?

01842 uses America/New_York.

What ZIP codes are near 01842?

The closest are 01840 (0.1 mi), 01841 (0.9 mi), 01843 (1.2 mi), 01844 (2.6 mi) and 01899 (3.6 mi).

Is 01842 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “01842 ZIP Code — Lawrence, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01842

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/01842.json

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