Area Code 401-599 located in WESTERLY, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 599 City : WESTERLY County : WASHINGTON State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 44009 LATA (Local Access Transport Area) : 130 Rate Center : TIVERTON ZIP Code Count : 2 ZIP Code Frequency : 100 ZIP Code : 02891 Other Information NPANXX : 401599 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRVDRI95DS0 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 : CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC OCN (Operating Company Number) : 4054 Coverage Area Name : TIVERTON Latitude : 41.6299 Longitude : -71.2125 ‹ previous : 401-598 next › : 401-601 Telephone Number List 401-599-0000 ~ 401-599-9999