Area Code 401-535 located in WESTERLY, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 535 City : WESTERLY County : WASHINGTON State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 44009 LATA (Local Access Transport Area) : 130 Rate Center : W WARWICK ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 02891 Other Information NPANXX : 401535 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRVDRIUFDS1 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 : TELEPORT COMMUNICATIONS GROUP - RI OCN (Operating Company Number) : 7351 Coverage Area Name : WARWICK Latitude : 41.8203 Longitude : -71.4141 ‹ previous : 401-534 next › : 401-536 Telephone Number List 401-535-0000 ~ 401-535-9999