Area Code 508-390 located in FRAMINGHAM, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 390 City : FRAMINGHAM County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : FRAMINGHAM ZIP Code Count : 2 ZIP Code Frequency : 17 ZIP Code : 01702 Other Information NPANXX : 508390 Switch CLLI (Common Language Location Identifier) : FRMNMAUNDS8 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 : FRAMINGHAM Latitude : 42.2806 Longitude : -71.4227 ‹ previous : 508-389 next › : 508-390 Telephone Number List 508-390-0000 ~ 508-390-9999