Area Code 617-454 located in NEWTON UPPER FALLS, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 454 City : NEWTON UPPER FALLS County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1997-04-01 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : NEWTON ZIP Code Count : 53 ZIP Code Frequency : 90 ZIP Code : 02464 Other Information NPANXX : 617454 Switch CLLI (Common Language Location Identifier) : CMBRMA01DS5 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 : TELEPORT COMMUNICATIONS GROUP - BOSTON OCN (Operating Company Number) : 7135 Coverage Area Name : BOSTON Latitude : 42.3540 Longitude : -71.0540 ‹ previous : 617-454 next › : 617-455 Telephone Number List 617-454-0000 ~ 617-454-9999