Area Code 304-343 located in CHARLESTON, KANAWHA, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 343 City : CHARLESTON County : KANAWHA State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54039 LATA (Local Access Transport Area) : 254 Rate Center : CHRLSTNZN1 ZIP Code Count : 712 ZIP Code Frequency : 13 ZIP Code : 25301 Other Information NPANXX : 304343 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHTNWVLEDS0 MSA CBSA (Core Based Statistical Area) : Charleston, WV MSA CBSA Code (Core Based Statistical Area) : 16620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : CHARLESTON Latitude : 38.3505 Longitude : -81.6347 ‹ previous : 304-343 next › : 304-343 Telephone Number List 304-343-0000 ~ 304-343-9999