Area Code 781 History:
Area code 781 was put into service. Area code 781 was created from a split of area code 617. In 2001 area code 781 was overlaid with area code 339.
Counties in Massachusetts within area code 781 include:
Essex County, Middlesex County, Norfolk County, Plymouth County, and Suffolk County.
Major cities or places in Massachusetts within area code 781 include:
Area codes 339 and 781 serve east-central Massachusetts, and the suburbs of Boston including Arlington, Braintree, Burlington, Dedham, Lexington, Marblehead, Medford, Melrose, Needham, Norwood, Randolph, Revere, Saugus, Stoneham, Wakefield, Waltham, Wellesley, Weymouth, Winchester, and Woburn in addition to many smaller communities within the service area.