Area Code 304-645 located in WILLIAMSBURG, GREENBRIER, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 645 City : WILLIAMSBURG County : GREENBRIER State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54025 LATA (Local Access Transport Area) : 254 Rate Center : LEWISBURG ZIP Code Count : 159 ZIP Code Frequency : 3 ZIP Code : 24991 Other Information NPANXX : 304645 County Population : 0 Switch CLLI (Common Language Location Identifier) : LWBGWVMWDS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : LEWISBURG Latitude : 37.7848 Longitude : -80.4562 ‹ previous : 304-645 next › : 304-645 Telephone Number List 304-645-0000 ~ 304-645-9999