Area Code 401-797 located in CHARLESTOWN, WASHINGTON, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 797 City : CHARLESTOWN County : WASHINGTON State : RI (Rhode Island) NXX Intro Version : 8/22/2006 FIPS (Federal Information Processing Standards) : 44009 Rate Center : BLOCK IS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02813 Other Information NPANXX : 401797 County Population : 0 Switch CLLI (Common Language Location Identifier) : PRVDRINWDS0 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 Latitude : None Longitude : None ‹ previous : 401-796 next › : 401-804 Telephone Number List 401-797-0000 ~ 401-797-9999