Area Code 617-274 located in BROOKLINE, NORFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 274 City : BROOKLINE County : NORFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 25021 LATA (Local Access Transport Area) : 128 Rate Center : BROOKLINE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02445 Other Information NPANXX : 617274 Switch CLLI (Common Language Location Identifier) : BSTNMACODS7 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 : PAETEC COMMUNICATIONS, INC. OCN (Operating Company Number) : 4084 Coverage Area Name : BROOKLINE Latitude : 42.3540 Longitude : -71.0540 ‹ previous : 617-273 next › : 617-275 Telephone Number List 617-274-0000 ~ 617-274-9999