Area Code 508-430 located in CHATHAM, BARNSTABLE, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 430 City : CHATHAM County : BARNSTABLE State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25001 LATA (Local Access Transport Area) : 128 Rate Center : HARWICH ZIP Code Count : 147 ZIP Code Frequency : 4 ZIP Code : 02633 Other Information NPANXX : 508430 Switch CLLI (Common Language Location Identifier) : HRWCMAMADS0 MSA CBSA (Core Based Statistical Area) : Barnstable Town, MA MSA CBSA Code (Core Based Statistical Area) : 12700 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : HARWICH Latitude : 41.6858 Longitude : -70.0734 ‹ previous : 508-430 next › : 508-430 Telephone Number List 508-430-0000 ~ 508-430-9999