Somerville, MA ZIP Codes, Coordinates & Counties

Somerville, Massachusetts has 3 ZIP codes in Middlesex county. The approximate center of Somerville is 42.391, -71.103. Somerville has about 138,442 known street addresses.

ZIP codes
3
Counties
1
State
Massachusetts (MA)
Coordinates
42.391, -71.103
Mapped addresses
138,442

ZIP codes in Somerville, MA

ZIP CodeCountyLatitudeLongitude
02143 Middlesex 42.381 -71.097
02144 Middlesex 42.401 -71.122
02145 Middlesex 42.392 -71.09

Counties Somerville spans

Middlesex

Most common streets in Somerville

Broadway, Highland, Washington, Prospect, Canal, Medford, Day, Beacon, Foley, Revolution

Frequently asked questions

What ZIP codes are in Somerville, MA?

Somerville, Massachusetts has 3 ZIP codes, ranging from 02143 to 02145. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Somerville, MA in?

Somerville is in Middlesex county.

What are the latitude and longitude of Somerville, MA?

The approximate center of Somerville, Massachusetts is latitude 42.391, longitude -71.103. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Somerville, MA have?

Somerville has 3 ZIP codes.

How many addresses are in Somerville, MA?

Somerville, Massachusetts has about 138,442 known street addresses in the sthan.io US address database.

What are the most common streets in Somerville, MA?

Some of the most common street names in Somerville are Broadway, Highland, Washington, Prospect, Canal, Medford.

What cities are near Somerville, MA?

Cities near Somerville include Cambridge (1 mi), Charlestown (2 mi), Medford (2 mi), Allston (3 mi), Boston (3 mi).

Cities near Somerville

Cambridge, MA (1 mi) Charlestown, MA (2 mi) Medford, MA (2 mi) Allston, MA (3 mi) Boston, MA (3 mi) Everett, MA (3 mi) Arlington, MA (4 mi) Belmont, MA (4 mi)

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Last updated: June 2026 · Data: sthan.io US address database