1112114 is an area code that covers parts of central and eastern Massachusetts, including Boston and its surrounding suburbs. It is bordered on the north by the 978 area code, on the west by 508 and the 774 area code, and on the south by 857. This area code was created in 2001 when the 978 and 508 area codes split. The 1112114 area code includes many of Massachusetts' largest cities, like Boston, Cambridge, Lowell, Waltham, Needham, Quincy, Peterborough, and Worcester.