Acton, MA ZIP Codes, Coordinates & Counties
Acton, Massachusetts has 2 ZIP codes in Middlesex county. The approximate center of Acton is 42.502, -71.434. Acton has about 51,464 known street addresses.
ZIP codes in Acton, MA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 01718 | Middlesex | 42.52 | -71.429 |
| 01720 | Middlesex | 42.484 | -71.438 |
Counties Acton spans
Middlesex
Most common streets in Acton
Nagog, Great, Main, Avalon, Mass, Arlington, Massachusetts, Central, Davis, Parker
Frequently asked questions
What ZIP codes are in Acton, MA?
Acton, Massachusetts has 2 ZIP codes, ranging from 01718 to 01720. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Acton, MA in?
Acton is in Middlesex county.
What are the latitude and longitude of Acton, MA?
The approximate center of Acton, Massachusetts is latitude 42.502, longitude -71.434. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Acton, MA have?
Acton has 2 ZIP codes.
How many addresses are in Acton, MA?
Acton, Massachusetts has about 51,464 known street addresses in the sthan.io US address database.
What are the most common streets in Acton, MA?
Some of the most common street names in Acton are Nagog, Great, Main, Avalon, Mass, Arlington.
What cities are near Acton, MA?
Cities near Acton include Boxborough (4 mi), Littleton (4 mi), Carlisle (5 mi), Concord (5 mi), Maynard (5 mi).
Cities near Acton
Boxborough, MA (4 mi) Littleton, MA (4 mi) Carlisle, MA (5 mi) Concord, MA (5 mi) Maynard, MA (5 mi) Stow, MA (6 mi) Westford, MA (6 mi) Chelmsford, MA (7 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database