Area Code 401-315 located in WESTERLY, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 315 City : WESTERLY County : WASHINGTON State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 44009 LATA (Local Access Transport Area) : 130 Rate Center : WESTERLY ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 02891 Other Information NPANXX : 401315 County Population : 0 Switch CLLI (Common Language Location Identifier) : WWWKRIDBDS1 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 : COX RHODE ISLAND TELECOM INC OCN (Operating Company Number) : 8778 Coverage Area Name : WESTERLY Latitude : 41.3761 Longitude : -71.8326 ‹ previous : 401-314 next › : 401-316 Telephone Number List 401-315-0000 ~ 401-315-9999