Area Code 304-586 located in POCA, PUTNAM, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 586 City : POCA County : PUTNAM State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54079 LATA (Local Access Transport Area) : 254 Rate Center : WINFIELD ZIP Code Count : 110 ZIP Code Frequency : 3 ZIP Code : 25159 Other Information NPANXX : 304586 County Population : 0 Switch CLLI (Common Language Location Identifier) : WNFDWVWFRS1 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 : WINFIELD Latitude : 38.5361 Longitude : -81.8955 ‹ previous : 304-586 next › : 304-586 Telephone Number List 304-586-0000 ~ 304-586-9999