Acton, MA ZIP Codes

ZIP code, county, time zone and coordinates of Acton, Massachusetts

The ZIP code of Acton, MA is 01720. Acton has 2 ZIP codes: 01720, 01718. It is in Middlesex County.

Mailing address format for Acton

John Smith
123 Main St
ACTON MA 01720
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Acton

ZIP codePopulationArea
01720—19.6 sq miMain
01718—0.1 sq mi

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Acton? Location, county and time zone

State
Massachusetts
County
Middlesex County
GPS coordinates
42.48395, -71.43850
Elevation
259 ft (79 m)
Time zone
America/New YorkEST · UTC-05:00
Population
24,021

Map of Acton, MA 01720

Tap a place on the map to see it in Street View below. Map: © OpenStreetMap contributors.

Acton Street View

Loading Street View…

Drag to look around. Tap any place on the map above, or the "Street View" button on a card, to jump there.

Open in Google Maps ›

ZIP codes near Acton

Acton ZIP code: FAQ

What is the ZIP code for Acton, MA?

The main ZIP code for Acton, MA is 01720. All ZIP codes: 01720, 01718.

How many ZIP codes does Acton have?

Acton has 2 ZIP codes.

What county is Acton, MA in?

Acton is in Middlesex County, Massachusetts.

What time zone is Acton in?

Acton is in the America/New York time zone (EST, UTC-05:00 right now).

What are the coordinates of Acton?

Latitude 42.48395, longitude -71.43850.

Last updated: