Area Code 401-377 located in CHARLESTOWN, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 377 City : CHARLESTOWN 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 : WESTERLY ZIP Code Count : 110 ZIP Code Frequency : 5 ZIP Code : 02813 Other Information NPANXX : 401377 County Population : 0 Switch CLLI (Common Language Location Identifier) : ASWYRIYBRS1 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 : WESTERLY Latitude : 41.4223 Longitude : -71.7831 ‹ previous : 401-377 next › : 401-377 Telephone Number List 401-377-0000 ~ 401-377-9999