ZIP Code 01720
01720 is one of Massachusetts's ZIP codes, delivering to addresses in Acton, Middlesex County.
- City
- Acton
- County
- Middlesex County
- State
- Massachusetts
- Prefix
- 017xx
Where this code sits
01720 is part of the 017xx range, the group of codes handled by one mail processing centre. Acton is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Acton page.
Acton Massachusetts ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 01720 delivers to without sharing its boundary.
- 339 Area code 339
- 351 Area code 351
- 508 Area code 508
- 774 Area code 774
- 781 Area code 781
- 978 Area code 978
ZIP codes nearest 01720
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 01718 | 1.0 mi | Acton, MA |
| ZIP code 01703 | 2.1 mi | Framingham, MA |
| ZIP code 01704 | 2.1 mi | Framingham, MA |
| ZIP code 01705 | 2.1 mi | Framingham, MA |
| ZIP code 02456 | 2.1 mi | New Town, MA |
| ZIP code 01754 | 3.0 mi | Maynard, MA |
| ZIP code 01719 | 3.7 mi | Boxborough, MA |
| ZIP code 01742 | 4.0 mi | Concord, 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.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 01720. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.