Cambridge, Massachusetts ZIP codes
What is the ZIP code for Cambridge, MA?
6 ZIP codes, 02138 to 02238
5 for street addresses · 1 PO Box only
Cambridge is in Middlesex County, Massachusetts. USPS uses 6 ZIP codes for Cambridge, 5 of them for street addresses. About 119,000 people live in Cambridge ZIP codes; the most populated is 02139 with 40,033 residents. The city is in the Eastern Time zone and uses area codes 617, 857, 339 and 781.
| City | Cambridge, MA |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| ZIP codes | 6 (plus 1 retired) |
| Population (ZIP areas) | about 119,000 |
| Time zone | Eastern Time · now |
| Area codes | 617, 857, 339, 781 |
All Cambridge ZIP codes
| ZIP code | Type | Population | Median income |
|---|---|---|---|
| 02138 | Standard | 38,509 | $119,967 |
| 02139 | Standard | 40,033 | $134,586 |
| 02140 | Standard | 21,204 | $135,286 |
| 02141 | Standard | 14,517 | $126,522 |
| 02142 | Standard | 4,737 | $147,723 |
| 02238 | PO Box only | – | – |
Population and income: U.S. Census Bureau, American Community Survey 5-year estimates. PO Box and single-organization ZIP codes have no residents.
Other ZIP codes that accept “Cambridge”
These ZIP codes belong to a neighboring city, but USPS also accepts Cambridge as the city name in addresses.
Cities near Cambridge
- Somerville, MA 1.3 mi
- Allston, MA 1.9 mi
- Charlestown, MA 2.2 mi
- Boston, MA 2.3 mi
- Brookline, MA 2.9 mi
- Roxbury Crossing, MA 3 mi
- Medford, MA 3.1 mi
- Brighton, MA 3.1 mi
- Roxbury, MA 3.4 mi
- Watertown, MA 3.6 mi
Retired Cambridge ZIP codes
No longer in use: 02239.
Questions
- What is the ZIP code for Cambridge, MA?
- Cambridge has 6 ZIP codes: 02138, 02139, 02140, 02141, 02142 and 02238. The right one depends on the street address.
- How many ZIP codes does Cambridge have?
- 6: 5 standard ZIP codes for street addresses, 1 for PO Boxes only.
- Which Cambridge ZIP code has the most people?
- 02139, with about 40,033 residents, followed by 02138 (38,509).
- What county is Cambridge, MA in?
- Cambridge ZIP codes are in Middlesex County.
- What area code is Cambridge, MA?
- Cambridge uses area codes 617, 857, 339 and 781.