Area Code 617-514 located in DORCHESTER, SUFFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 514 City : DORCHESTER County : SUFFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 25025 LATA (Local Access Transport Area) : 128 Rate Center : DORCHESTER ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02122 Other Information NPANXX : 617514 Switch CLLI (Common Language Location Identifier) : CMBRMAORDS0 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 : MCI WORLDCOM COMMUNICATIONS, INC. - MA OCN (Operating Company Number) : 7199 Coverage Area Name : DORCHESTER Latitude : 42.3648 Longitude : -71.0819 ‹ previous : 617-513 next › : 617-514 Telephone Number List 617-514-0000 ~ 617-514-9999