Area Code 617-316 located in ARLINGTON, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 316 City : ARLINGTON County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : BOSTON ZIP Code Count : 1 ZIP Code Frequency : 17 ZIP Code : 02476 Other Information NPANXX : 617316 Switch CLLI (Common Language Location Identifier) : BSTNMACODS0 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 : 617-316 next › : 617-316 Telephone Number List 617-316-0000 ~ 617-316-9999