Area Code 508-670 located in EDGARTOWN, DUKES, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 670 City : EDGARTOWN County : DUKES State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2000-08-20 FIPS (Federal Information Processing Standards) : 25007 LATA (Local Access Transport Area) : 128 Rate Center : EDGARTOWN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02539 Other Information NPANXX : 508670 Switch CLLI (Common Language Location Identifier) : FKLNMACNDS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NORFOLK COUNTY INTERNET, INC. OCN (Operating Company Number) : 6083 Coverage Area Name : EDGARTOWN Latitude : 41.3898 Longitude : -70.5147 ‹ previous : 508-669 next › : 508-671 Telephone Number List 508-670-0000 ~ 508-670-9999