Area Code 304-279 located in SHEPHERDSTOWN, JEFFERSON, WV, more detail is as below. Place NPA (Numbering Plan Area) : 304 NXX (Local Number Prefix) : 279 City : SHEPHERDSTOWN County : JEFFERSON State : WV (West Virginia) NXX Use Type : Wireless NXX Intro Version : 1996-10-15 FIPS (Federal Information Processing Standards) : 54037 LATA (Local Access Transport Area) : 240 Rate Center : FALLNGWTRS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 25443 Other Information NPANXX : 304279 County Population : 0 Switch CLLI (Common Language Location Identifier) : MRBGWV236MD MSA CBSA (Core Based Statistical Area) : Washington-Arlington-Alexandria, DC-VA-MD-WV MSA CBSA Code (Core Based Statistical Area) : 47900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P.- WV OCN (Operating Company Number) : 8575 Coverage Area Name : FALLING WATERS Latitude : 39.5603 Longitude : -77.9306 ‹ previous : 304-278 next › : 304-279 Telephone Number List 304-279-0000 ~ 304-279-9999