Zip Area Code

Area code 339

Area code 339 is a Massachusetts area code, in service since May 2, 2001.

It was added as an overlay on 781: both codes serve the same area, so neighbors can have numbers in either one.

Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

It is in the Eastern Time zone.

In service since
May 2, 2001
Overlays
781
Local dialing
ten digits; dialing 1 plus ten digits also works
Time zone
Eastern Time
ZIP codes
56

Map

Map of the 339 area codeThe shaded area shows where 339 numbers are rated, with the neighboring area codes outlined around it.978401508WalthamLexingtonBurlingtonDedhamWeymouthCantonRocklandWellesley
Approximate 339 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 339

Overlays and neighboring area codes

Overlay, serving the same area: 781.

Neighboring area codes: 860, 978, 617, 401, 508.

Counties in area code 339

Towns in area code 339

And 11 more towns: every town in Massachusetts.