ZIP Code 02143

02143 is one of Massachusetts's ZIP codes, delivering to addresses in Somerville, Middlesex County.

City

Somerville

County

Middlesex County

State

Massachusetts

Prefix

021xx

Where this code sits

02143 is part of the 021xx range, the group of codes handled by one mail processing centre. Somerville is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Somerville page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02143 delivers to without sharing its boundary.

ZIP codes nearest 02143

The ZIP codes whose reference points sit closest to 02143.
ZIP code	Distance	Delivers to
ZIP code 02238	0.6 mi	Cambridge, MA
ZIP code 02145	0.7 mi	Somerville, MA
ZIP code 02138	1.2 mi	Cambridge, MA
ZIP code 02139	1.3 mi	Cambridge, MA
ZIP code 02141	1.4 mi	Cambridge, MA
ZIP code 02144	1.6 mi	Somerville, MA
ZIP code 02140	1.7 mi	Cambridge, MA
ZIP code 02142	1.8 mi	Cambridge, MA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 02143, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 02143. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.