Area Code 304-369 located in JULIAN, BOONE, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 369 City : JULIAN County : BOONE State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54005 LATA (Local Access Transport Area) : 254 Rate Center : MADISON ZIP Code Count : 361 ZIP Code Frequency : 6 ZIP Code : 25529 Other Information NPANXX : 304369 County Population : 0 Switch CLLI (Common Language Location Identifier) : MDSNWVCRRS1 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 : MADISON Latitude : 38.0548 Longitude : -81.8256 ‹ previous : 304-369 next › : 304-369 Telephone Number List 304-369-0000 ~ 304-369-9999