Area Code 304-354 located in CRESTON, WIRT, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 354 City : CRESTON County : WIRT State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54105 LATA (Local Access Transport Area) : 254 Rate Center : GRANTSVL ZIP Code Count : 45 ZIP Code Frequency : 2 ZIP Code : 26141 Other Information NPANXX : 304354 County Population : 0 Switch CLLI (Common Language Location Identifier) : GTVLWVXADS0 MSA CBSA (Core Based Statistical Area) : Parkersburg-Marietta-Vienna, WV-OH MSA CBSA Code (Core Based Statistical Area) : 37620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOMMUNICATIONS CO OF WEST VIRGINIA OCN (Operating Company Number) : 0270 Coverage Area Name : GRANTSVILLE Latitude : 38.9262 Longitude : -81.0946 ‹ previous : 304-354 next › : 304-354 Telephone Number List 304-354-0000 ~ 304-354-9999