Area Code 304-816 located in FAIRMONT, MARION, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 816 City : FAIRMONT County : MARION State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 2002-05-01 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 : 304816 County Population : 0 Switch CLLI (Common Language Location Identifier) : CLBGWVMAPMD 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 : LEVEL 3 COMMUNICATIONS, LLC - WV OCN (Operating Company Number) : 9944 Coverage Area Name : FAIRMONT Latitude : 39.4843 Longitude : -80.1409 ‹ previous : 304-815 next › : 304-817 Telephone Number List 304-816-0000 ~ 304-816-9999