Area Code 304-365 located in FAIRMONT, MARION, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 365 City : FAIRMONT County : MARION State : WV (West Virginia) NXX Use Type : Wireless NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 54049 LATA (Local Access Transport Area) : 256 Rate Center : FAIRMONT ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 26554 Other Information NPANXX : 304365 County Population : 0 Switch CLLI (Common Language Location Identifier) : FAMTWVCJW01 MSA CBSA (Core Based Statistical Area) : Fairmont, WV MSA CBSA Code (Core Based Statistical Area) : 21900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VIRGINIA PCS ALLIANCE, L.C. OCN (Operating Company Number) : 6822 Coverage Area Name : FAIRMONT Latitude : 39.4843 Longitude : -80.1409 ‹ previous : 304-364 next › : 304-366 Telephone Number List 304-365-0000 ~ 304-365-9999