Area Code 304-455 located in PROCTOR, MARSHALL, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 455 City : PROCTOR County : MARSHALL State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54051 LATA (Local Access Transport Area) : 256 Rate Center : NEWMRTNSVL ZIP Code Count : 361 ZIP Code Frequency : 9 ZIP Code : 26055 Other Information NPANXX : 304455 County Population : 0 Switch CLLI (Common Language Location Identifier) : NWMRWVWZDS0 MSA CBSA (Core Based Statistical Area) : Wheeling, WV-OH MSA CBSA Code (Core Based Statistical Area) : 48540 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER WEST VIRGINIA INC. OCN (Operating Company Number) : 9214 Coverage Area Name : NEW MARTINSVILLE Latitude : 39.6534 Longitude : -80.8606 ‹ previous : 304-454 next › : 304-455 Telephone Number List 304-455-0000 ~ 304-455-9999