01860
ZIP 01860 is Merrimac, Massachusetts, in Essex County; area codes 351 and 978; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Essex
- Metro area
- Boston-Cambridge-Newton, MA-NH
- Population
- 6,748
- Coordinates
- 42.8386, -71.0120
Weather right now
Asking the National Weather Service…
Where 01860 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 01860 into a pocket calculator and turn it upside down: OgBIO — not quite a word, sorry.
- ➕ As a number, 1,860 = 2 × 2 × 3 × 5 × 31. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
11101000100 - 🏠 Its numerical neighbours: 01854 (Lowell, MA, 21 mi away) and 01862 (North Billerica, MA, 23 mi away).
- 🔄 Backwards, 01860 becomes 06810 — and that is a real ZIP code: Danbury, CT, 161 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (00681, 01068, 01086, 01608, 06018, 06081, …). The farthest-flung twin is 86001 in Flagstaff, AZ, 2,223 miles away.
- 🧭 Farther north than 81% of all ZIP codes, and farther east than 96%.
- 🎯1,439 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 01860 and you would come out at 42.84°S, 108.99°E — 841 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 21m of daylight. Shortest: 9h 01m.
- 📏 At 8.5 square miles of land, 01860 is bigger than 25% of ZIP codes — room for about 6.5 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,748This ZIP6,748 |
|---|---|
| Households | 2,815This ZIP2,815 |
| Housing units | 2,899This ZIP2,899 |
| Median age | 49.4This ZIP49.4Massachusetts40.0US 38.9 |
| Median household income | $123,054This ZIP$123,054Massachusetts$103,960US $80,734 |
| Median home value | $553,400This ZIP$553,400Massachusetts$562,100US $332,700 |
| Median gross rent | $1,352This ZIP$1,352Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 41.0%This ZIP41.0% |
| Mean commute | 32.0 minThis ZIP32.0 min |
| Population density | 794.0 / sq miThis ZIP794.0 / sq mi |
Business and tax activity
| Business establishments | 103This ZIP103 |
|---|---|
| Employees | 765This ZIP765 |
| Annual payroll | $32,461,000This ZIP$32,461,000 |
| Tax returns filed | 3,690This ZIP3,690 |
| Total adjusted gross income | $370,078,000This ZIP$370,078,000 |
Land area
| Land area | 8.50 sq miThis ZIP8.50 sq mi |
|---|---|
| Water area | 0.40 sq miThis ZIP0.40 sq mi |
ZIP codes near 01860
| ZIP | City | Distance |
|---|---|---|
03859 | Newton Junction, NH | 2.1 mi |
03858 | Newton, NH | 2.8 mi |
01913 | Amesbury, MA | 3.0 mi |
01830 | Haverhill, MA | 3.6 mi |
01985 | West Newbury, MA | 3.6 mi |
03865 | Plaistow, NH | 4.1 mi |
03827 | East Kingston, NH | 4.6 mi |
01834 | Groveland, MA | 5.9 mi |
03848 | Kingston, NH | 6.1 mi |
01950 | Newburyport, MA | 6.4 mi |
Find every ZIP code within 10 miles of 01860 →
Questions about this ZIP code
Where is ZIP code 01860?
01860 is in Merrimac, Massachusetts, in Essex County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.8386, -71.0120.
What county is 01860 in?
01860 lies in Essex County.
What area code is 01860?
Merrimac uses area codes 351 and 978, from NANPA's telephone records.
What time zone is 01860 in?
01860 uses America/New_York.
How many people live in 01860?
About 6,748 people live in ZIP code 01860, in 2,815 households, at 794.0 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 01860?
$123,054 a year, against $103,960 across Massachusetts.
What ZIP codes are near 01860?
The closest are 03859 (2.1 mi), 03858 (2.8 mi), 01913 (3 mi), 01830 (3.6 mi) and 01985 (3.6 mi).
Is 01860 a PO Box ZIP code?
01860 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “01860 ZIP Code — Merrimac, Massachusetts (Essex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/01860
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/01860.json Underlying data is public domain or openly licensed — sources, vintages and licences.