Area Code 401-420 located in LITTLE COMPTON, NEWPORT, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 420 City : LITTLE COMPTON County : NEWPORT State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 44005 LATA (Local Access Transport Area) : 130 Rate Center : LTLCOMPTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02837 Other Information NPANXX : 401420 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRVDRICEDS0 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 : MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI OCN (Operating Company Number) : 7231 Coverage Area Name : LITTLE COMPTON Latitude : 41.5031 Longitude : -71.1859 ‹ previous : 401-419 next › : 401-421 Telephone Number List 401-420-0000 ~ 401-420-9999