Area Code 304-392 located in ALDERSON, MONROE, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 392 City : ALDERSON County : MONROE State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54063 LATA (Local Access Transport Area) : 254 Rate Center : RUPERT ZIP Code Count : 85 ZIP Code Frequency : 4 ZIP Code : 24910 Other Information NPANXX : 304392 County Population : 0 Switch CLLI (Common Language Location Identifier) : RPRTWVXADS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CITIZENS TELECOMMUNICATIONS CO OF WEST VIRGINIA OCN (Operating Company Number) : 0270 Coverage Area Name : RUPERT Latitude : 37.9625 Longitude : -80.6919 ‹ previous : 304-392 next › : 304-392 Telephone Number List 304-392-0000 ~ 304-392-9999