What city is ZIP code 02140?

02140 is a Cambridge, Massachusetts ZIP code. N Cambridge and North Cambridge are also accepted as the city name.

What county is 02140 in?

ZIP code 02140 is in Middlesex County, Massachusetts.

What time zone is ZIP code 02140 in?

02140 is in the Eastern Time zone (America/New_York).

What area code is 02140?

Phone numbers in ZIP code 02140 use area codes 339, 617, 781 and 857.

What is the population of ZIP code 02140?

About 21,204 people live in ZIP code 02140, according to the Census Bureau’s American Community Survey (2020–2024).

What is the median income in 02140?

The median household income in 02140 is $135,286 a year, higher than 74% of Massachusetts ZIP codes.

What ZIP codes are near 02140?

The nearest ZIP codes to 02140 are 02144 (Somerville, 0.8 miles), 02138 (Cambridge, 1.2 miles), 02143 (Somerville, 1.7 miles) and 02238 (Cambridge, 1.9 miles).

ZIP code 02140

Where is ZIP code 02140?

Cambridge, Massachusetts

Middlesex County · Standard ZIP code

ZIP code 02140 belongs to Cambridge, Massachusetts in Middlesex County. 02140 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 339, 617, 781 and 857. About 21,204 people live in the 02140 area, where the median household income is $135,286. The closest ZIP codes are 02144 (Somerville, 0.8 mi northeast), 02138 (Cambridge, 1.2 mi south) and 02143 (Somerville, 1.7 mi southeast).

ZIP code	02140
Type	Standard ZIP code for street addresses and PO Boxes
Status	Active
City	Cambridge
Also accepted	N Cambridge, North Cambridge
State	Massachusetts (MA)
County	Middlesex County
Time zone	Eastern Time · now
Area codes	339, 617, 781, 857
Coordinates	42.3932, -71.1338 map
3-digit prefix	021

Population and income in 02140

Population	21,204 · higher than 78% of Massachusetts ZIP codes
People per square mile	18,311 · higher than 97% of Massachusetts ZIP codes
Median age	33.9 years · lower than 90% of Massachusetts ZIP codes
Men / women	52% / 48%
Median household income	$135,286 · higher than 74% of Massachusetts ZIP codes
Income per person	$86,528
Below the poverty line	11%
Bachelor’s degree or higher	79% of adults 25+
Median home value	$1,149,800 · higher than 93% of Massachusetts ZIP codes
Median rent	$2,615 a month
Housing units	11,066
Households	9,944 (2.13 people on average)
Owners / renters	35% / 65%
Land area	1.16 sq mi (plus 0.02 sq mi of water)

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 02140. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.

ZIP codes near 02140

ZIP code	City	Distance	Type
02144	Somerville, MA	0.8 mi NE	Standard
02138	Cambridge, MA	1.2 mi S	Standard
02143	Somerville, MA	1.7 mi SE	Standard
02238	Cambridge, MA	1.9 mi SE	PO Box only
02156	West Medford, MA	2 mi N	PO Box only
02145	Somerville, MA	2.1 mi E	Standard
02155	Medford, MA	2.1 mi NE	Standard
02474	Arlington, MA	2.2 mi NW	Standard
02153	Medford, MA	2.2 mi NE	PO Box only
02478	Belmont, MA	2.3 mi W	Standard
02139	Cambridge, MA	2.5 mi SE	Standard
02479	Waverley, MA	2.5 mi W	PO Box only

Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 02140 or measure the distance to another ZIP code.

How to address mail to 02140

JANE SMITH
123 MAIN ST
CAMBRIDGE MA 02140

Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts N CAMBRIDGE and NORTH CAMBRIDGE as the city name for 02140. Avoid Porter Square: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (02140-XXXX) helps mail sort faster but isn’t required.

Other ZIP codes in Cambridge, MA

All Cambridge ZIP codes with population and income →

Questions

What city is ZIP code 02140?: 02140 is a Cambridge, Massachusetts ZIP code. N Cambridge and North Cambridge are also accepted as the city name.
What county is 02140 in?: ZIP code 02140 is in Middlesex County, Massachusetts.
What time zone is ZIP code 02140 in?: 02140 is in the Eastern Time zone (America/New_York).
What area code is 02140?: Phone numbers in ZIP code 02140 use area codes 339, 617, 781 and 857.
What is the population of ZIP code 02140?: About 21,204 people live in ZIP code 02140, according to the Census Bureau’s American Community Survey (2020–2024).
What is the median income in 02140?: The median household income in 02140 is $135,286 a year, higher than 74% of Massachusetts ZIP codes.
What ZIP codes are near 02140?: The nearest ZIP codes to 02140 are 02144 (Somerville, 0.8 miles), 02138 (Cambridge, 1.2 miles), 02143 (Somerville, 1.7 miles) and 02238 (Cambridge, 1.9 miles).