Area codes 781 and 339

Area code 781 and 339 are telephone area codes in the North American Numbering Plan for the U.S. state of Massachusetts.

The numbering plan area consists of Boston’s inner suburbs along the Route 128 corridor, and some outer suburbs, especially in the South Shore region.

Major cities and towns with the area code include Waltham, Woburn, Lynn, Weymouth and Dedham.

The area codes serve most of the South Shore, and the suburbs along Route 128 and surrounding towns.

The service area includes portions of the following counties: Communities: