Area Code 304-458 located in LEON, MASON, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 458 City : LEON County : MASON State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54053 LATA (Local Access Transport Area) : 254 Rate Center : LEON ZIP Code Count : 564 ZIP Code Frequency : 99 ZIP Code : 25123 Other Information NPANXX : 304458 County Population : 0 Switch CLLI (Common Language Location Identifier) : BFLOWVBLRS1 MSA CBSA (Core Based Statistical Area) : Point Pleasant, WV-OH MSA CBSA Code (Core Based Statistical Area) : 38580 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : BUFFALO Latitude : 38.6123 Longitude : -81.9869 ‹ previous : 304-457 next › : 304-459 Telephone Number List 304-458-0000 ~ 304-458-9999