Area Code 617-333 located in MATTAPAN, SUFFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 333 City : MATTAPAN County : SUFFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25025 LATA (Local Access Transport Area) : 128 Rate Center : HYDE PARK ZIP Code Count : 35 ZIP Code Frequency : 4 ZIP Code : 02126 Other Information NPANXX : 617333 Switch CLLI (Common Language Location Identifier) : HYPKMAHADS0 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 : HYDE PARK Latitude : 42.2553 Longitude : -71.1242 ‹ previous : 617-333 next › : 617-333 Telephone Number List 617-333-0000 ~ 617-333-9999