02131
ZIP 02131 is Roslindale, Massachusetts, in Suffolk County; area codes 617 and 857; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Suffolk
- Metro area
- Boston-Cambridge-Newton, MA-NH
- Population
- 31,151
- Coordinates
- 42.2823, -71.1247
Weather right now
Asking the National Weather Service…
Where 02131 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 02131 into a pocket calculator and turn it upside down: IEIZO — not quite a word, sorry.
- ➕ 02131 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 7, a total 150 other ZIP codes share.
- 💾In binary, the way a computer stores it:
100001010011 - 🏠 Its numerical neighbours: 02130 (Jamaica Plain, MA, 2 mi away) and 02132 (West Roxbury, MA, 2 mi away).
- 🔄 Backwards, 02131 becomes 13120 — and that is a real ZIP code: Nedrow, NY, 260 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (02113, 10123, 10132, 10213, 10312, 11023, …). The farthest-flung twin is 32110 in Bunnell, FL, 1,054 miles away.
- 🧭 Farther north than 77% of all ZIP codes, and farther east than 96%.
- 🎯1,434 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 02131 and you would come out at 42.28°S, 108.88°E — 810 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 05m.
- 📏 At 2.8 square miles of land, 02131 is bigger than 14% of ZIP codes — room for about 2.1 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 31,151This ZIP31,151 |
|---|---|
| Households | 12,694This ZIP12,694 |
| Housing units | 13,363This ZIP13,363 |
| Median age | 39.1This ZIP39.1Massachusetts40.0US 38.9 |
| Median household income | $111,006This ZIP$111,006Massachusetts$103,960US $80,734 |
| Median home value | $664,700This ZIP$664,700Massachusetts$562,100US $332,700 |
| Median gross rent | $2,020This ZIP$2,020Massachusetts$1,762US $1,413 |
| Bachelor's degree or higher | 53.9%This ZIP53.9% |
| Mean commute | 33.2 minThis ZIP33.2 min |
| Population density | 11,173.2 / sq miThis ZIP11,173.2 / sq mi |
Business and tax activity
| Business establishments | 443This ZIP443 |
|---|---|
| Employees | 5,587This ZIP5,587 |
| Annual payroll | $290,993,000This ZIP$290,993,000 |
| Tax returns filed | 15,930This ZIP15,930 |
| Total adjusted gross income | $1,404,683,000This ZIP$1,404,683,000 |
Land area
| Land area | 2.79 sq miThis ZIP2.79 sq mi |
|---|---|
| Water area | 0.01 sq miThis ZIP0.01 sq mi |
Other place names in 02131
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 02131
| ZIP | City | Distance |
|---|---|---|
02126 | Mattapan, MA | 1.8 mi |
02132 | West Roxbury, MA | 1.8 mi |
02130 | Jamaica Plain, MA | 1.9 mi |
02136 | Hyde Park, MA | 1.9 mi |
02121 | Dorchester, MA | 2.5 mi |
02124 | Dorchester Center, MA | 2.6 mi |
02467 | Chestnut Hill, MA | 2.6 mi |
02187 | Milton Village, MA | 2.9 mi |
02137 | Readville, MA | 3.0 mi |
02445 | Brookline, MA | 3.0 mi |
Find every ZIP code within 10 miles of 02131 →
Questions about this ZIP code
Where is ZIP code 02131?
02131 is in Roslindale, Massachusetts, in Suffolk County, part of the Boston-Cambridge-Newton, MA-NH metropolitan area. Its published point location is 42.2823, -71.1247.
What county is 02131 in?
02131 lies in Suffolk County.
What area code is 02131?
Roslindale uses area codes 617 and 857, from NANPA's telephone records.
What time zone is 02131 in?
02131 uses America/New_York.
How many people live in 02131?
About 31,151 people live in ZIP code 02131, in 12,694 households, at 11,173.2 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 02131?
$111,006 a year, against $103,960 across Massachusetts.
What ZIP codes are near 02131?
The closest are 02126 (1.8 mi), 02132 (1.8 mi), 02130 (1.9 mi), 02136 (1.9 mi) and 02121 (2.5 mi).
Is 02131 a PO Box ZIP code?
02131 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “02131 ZIP Code — Roslindale, Massachusetts (Suffolk County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/02131
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/02131.json Underlying data is public domain or openly licensed — sources, vintages and licences.