ZIP Code 02156

02156 is one of Massachusetts's ZIP codes, delivering to addresses in West Medford, Middlesex County.

City: West Medford
County: Middlesex County
State: Massachusetts
Prefix: 021xx

Where this code sits

02156 is part of the 021xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to West Medford.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02156 delivers to without sharing its boundary.

ZIP codes nearest 02156

The ZIP codes whose reference points sit closest to 02156.
ZIP code	Distance	Delivers to
ZIP code 02474	1.2 mi	Arlington, MA
ZIP code 02155	1.3 mi	Medford, MA
ZIP code 02153	1.4 mi	Medford, MA
ZIP code 02144	1.6 mi	Somerville, MA
ZIP code 02140	2.0 mi	Cambridge, MA
ZIP code 01890	2.2 mi	Winchester, MA
ZIP code 02476	2.2 mi	Arlington, MA
ZIP code 02475	2.4 mi	Arlington Heights, 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 02156, plotted from its record coordinates.

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

Scope ZIP code 02156. 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.