Area code 781
Area code 781 is a telephone area code in the state of Massachusetts, United States. It was created on September 1, 1997, when it was split from area code 617. It covers the suburbs north and south of the city of Boston. Some of the major cities and towns in this area code include Waltham, Brookline, Medford, Weymouth, Braintree, and Burlington. It was overlaid by 339 in 2001.