Area Code 508-399 located in SEEKONK, BRISTOL, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 399 City : SEEKONK County : BRISTOL State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 25005 LATA (Local Access Transport Area) : 128 Rate Center : SOUTHGATE ZIP Code Count : 474 ZIP Code Frequency : 26 ZIP Code : 02771 Other Information NPANXX : 508399 Switch CLLI (Common Language Location Identifier) : PWTCRIHIDSA MSA CBSA (Core Based Statistical Area) : Providence-New Bedford-Fall River, RI-MA MSA CBSA Code (Core Based Statistical Area) : 39300 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : SEEKONK Latitude : 41.8775 Longitude : -71.3829 ‹ previous : 508-398 next › : 508-399 Telephone Number List 508-399-0000 ~ 508-399-9999