City · Massachusetts · United States

Dorchester, MA — ZIP codes

3 ZIP codes · Suffolk County

City: Dorchester
County: Suffolk
State: Massachusetts
Country: United States
Postal codes: 021210212202125
Single source
Coordinates: 42.2973, -71.0745 View on OpenStreetMap

ZIP codes (3)

Postal code	Place name	Verification
02121	Dorchester	Single source
02122	Dorchester	Single source
02125	Dorchester	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.