Area Code 401-538 located in NEWPORT, NEWPORT, RI, more detail is as below. Place NPA (Numbering Plan Area) : 401 NXX (Local Number Prefix) : 538 City : NEWPORT County : NEWPORT State : RI (Rhode Island) NXX Use Type : Wireless NXX Intro Version : 1999-05-10 FIPS (Federal Information Processing Standards) : 44005 Rate Center : NEWPORT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02840 Other Information NPANXX : 401538 County Population : 0 Switch CLLI (Common Language Location Identifier) : JHTNRIBL1MD 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 : 401-537 next › : 401-539 Telephone Number List 401-538-0000 ~ 401-538-9999