Area Code 401-306 located in CAROLINA, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 306 City : CAROLINA County : WASHINGTON State : RI (Rhode Island) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 44009 LATA (Local Access Transport Area) : 130 Rate Center : CAROLINA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02812 Other Information NPANXX : 401306 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWPTRIEBDS0 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 : GLOBAL NAPS, INC. - RI OCN (Operating Company Number) : 4357 Coverage Area Name : CAROLINA Latitude : 41.4550 Longitude : -71.6618 ‹ previous : 401-305 next › : 401-307 Telephone Number List 401-306-0000 ~ 401-306-9999