Area Code 617-368 located in DEDHAM, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 368 City : DEDHAM County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : BOSTON ZIP Code Count : 1 ZIP Code Frequency : 7 ZIP Code : 02026 Other Information NPANXX : 617368 Switch CLLI (Common Language Location Identifier) : BSTNMAHADS9 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : BOSTON Latitude : 42.3533 Longitude : -71.0627 ‹ previous : 617-368 next › : 617-368 Telephone Number List 617-368-0000 ~ 617-368-9999