Area Code 401-539 located in ROCKVILLE, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 539 City : ROCKVILLE County : WASHINGTON State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 44009 LATA (Local Access Transport Area) : 130 Rate Center : HOPEVALLEY ZIP Code Count : 88 ZIP Code Frequency : 3 ZIP Code : 02873 Other Information NPANXX : 401539 County Population : 0 Switch CLLI (Common Language Location Identifier) : HPVYRIMARS3 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 : HOPE VALLEY Latitude : 41.5088 Longitude : -71.7133 ‹ previous : 401-539 next › : 401-539 Telephone Number List 401-539-0000 ~ 401-539-9999