Area Code 304-538 located in MOOREFIELD, HARDY, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 538 City : MOOREFIELD County : HARDY State : WV (West Virginia) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 54031 LATA (Local Access Transport Area) : 256 Rate Center : MOOREFIELD ZIP Code Count : 2019 ZIP Code Frequency : 91 ZIP Code : 26836 Other Information NPANXX : 304538 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRFDWVXADS0 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 : MOOREFIELD Latitude : 39.0627 Longitude : -78.9699 ‹ previous : 304-538 next › : 304-539 Telephone Number List 304-538-0000 ~ 304-538-9999