Area Codes
| 339 | Massachusetts (Saugus, Norwood, Waltham, Woburn, east central Massachusetts and other Boston suburbs along Route 128, overlays with 781) | More information at: Area Code 339 Phone Number Blocks
| 339 | Massachusetts (Saugus, Norwood, Waltham, Woburn, east central Massachusetts and other Boston suburbs along Route 128, overlays with 781) | More information at: Area Code 339 Phone Number Blocks