City · Massachusetts · United States
Acton, MA — ZIP codes
2 ZIP codes · Middlesex County
- City
- Acton
- County
- Middlesex
- State
- Massachusetts
- Country
- United States
- Postal codes
- 0171801720Single source
- Coordinates
- 42.4851, -71.4328 View on OpenStreetMap
ZIP codes (2)
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.