01840
ZIP 01840 is in Lawrence, Massachusetts, in Essex County; area codes 978, 508 and 351; Eastern time. Lawrence has 4 ZIP codes; the others are 01841, 01842 and 01843.
- Type
- Standard
- Time zone
- America/New_York
- County
- Essex
- Metro area
- Boston-Cambridge-Newton, MA-NH
- Population
- 8,522
- Coordinates
- 42.7068, -71.1604
Weather right now
Asking the National Weather Service…
Where 01840 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.
- 🔢 Type 01840 into a pocket calculator and turn it upside down: OhBIO — not quite a word, sorry.
- ➕ As a number, 1,840 = 2 × 2 × 2 × 2 × 5 × 23. Its digits add up to 13, a total 1,179 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11100110000 - 🏠 Its numerical neighbours: 01835 (Haverhill, MA, 5 mi away) and 01841 (Lawrence, MA, 1 mi away).
- 🔄 Backwards, 01840 becomes 04810, which is not a ZIP code at all.
- 👥 26 other ZIP codes are made of exactly the same digits (00841, 01084, 04108, 08014, 08041, 08104, …). The farthest-flung twin is 84010 in Bountiful, UT, 2,079 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 01840 and you would come out at 42.71°S, 108.84°E — 836 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 20m of daylight. Shortest: 9h 02m.
- 📏 At 0.510 square miles of land, 01840 is bigger than 5% of ZIP codes — about 247 football fields.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 8,522This ZIP8,522 |
|---|---|
| Households | 3,608This ZIP3,608 |
| Housing units | 3,661This ZIP3,661 |
| Median age | 33.6This ZIP33.6Massachusetts40.0US 38.9 |
| Median household income | $42,211This ZIP$42,211Massachusetts$103,960US $80,734 |
| Median gross rent | $1,413This ZIP$1,413Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 18.3%This ZIP18.3% |
| Mean commute | 23.2 minThis ZIP23.2 min |
| Population density | 16,709.8 / sq miThis ZIP16,709.8 / sq mi |
Business and tax activity
| Business establishments | 363This ZIP363 |
|---|---|
| Employees | 5,421This ZIP5,421 |
| Annual payroll | $272,375,000This ZIP$272,375,000 |
| Tax returns filed | 3,670This ZIP3,670 |
| Total adjusted gross income | $150,358,000This ZIP$150,358,000 |
Land area
| Land area | 0.51 sq miThis ZIP0.51 sq mi |
|---|---|
| Water area | 0.08 sq miThis ZIP0.08 sq mi |
Other place names in 01840
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 01840
| ZIP | City | Distance |
|---|---|---|
01842 | Lawrence, MA | 0.1 mi |
01841 | Lawrence, MA | 0.8 mi |
01843 | Lawrence, MA | 1.2 mi |
01844 | Methuen, MA | 2.6 mi |
01899 | Andover, MA | 3.5 mi |
01810 | Andover, MA | 4.1 mi |
01845 | North Andover, MA | 4.2 mi |
01812 | Andover, MA | 4.3 mi |
05501 | Andover, MA | 4.3 mi |
05544 | Andover, MA | 4.3 mi |
Find every ZIP code within 10 miles of 01840 →
Questions about this ZIP code
Where is ZIP code 01840?
01840 is in Lawrence, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.7068, -71.1604.
What county is 01840 in?
01840 lies in Essex County.
What area code is 01840?
Lawrence uses area codes 978, 508 and 351, from NANPA's telephone records.
What time zone is 01840 in?
01840 uses America/New_York.
How many people live in 01840?
About 8,522 people live in ZIP code 01840, in 3,608 households, at 16,709.8 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 01840?
$42,211 a year, against $103,960 across Massachusetts.
What ZIP codes are near 01840?
The closest are 01842 (0.1 mi), 01841 (0.8 mi), 01843 (1.2 mi), 01844 (2.6 mi) and 01899 (3.5 mi).
Is 01840 a PO Box ZIP code?
01840 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “01840 ZIP Code — Lawrence, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01840
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/01840.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.