Area Code 304-924 located in ROCK CAVE, UPSHUR, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 924 City : ROCK CAVE County : UPSHUR State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54097 LATA (Local Access Transport Area) : 256 Rate Center : ROCK CAVE ZIP Code Count : 692 ZIP Code Frequency : 42 ZIP Code : 26234 Other Information NPANXX : 304924 County Population : 0 Switch CLLI (Common Language Location Identifier) : RKCVWVAARS1 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : FRENCH CREEK Latitude : 38.8607 Longitude : -80.3121 ‹ previous : 304-924 next › : 304-925 Telephone Number List 304-924-0000 ~ 304-924-9999