Area Code 540-247 located in WINCHESTER, FREDERICK, VA, more detail is as below. Place NPA (Numbering Plan Area) : 540 NXX (Local Number Prefix) : 247 City : WINCHESTER County : FREDERICK State : VA (Virginia) NXX Use Type : Wireless NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 51069 LATA (Local Access Transport Area) : 246 Rate Center : WINCHESTER ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 22603 Other Information NPANXX : 540247 County Population : 0 Switch CLLI (Common Language Location Identifier) : WNCHVAFNCM1 MSA CBSA (Core Based Statistical Area) : Winchester, VA-WV MSA CBSA Code (Core Based Statistical Area) : 49020 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : WINCHESTER Latitude : 39.1869 Longitude : -78.1669 ‹ previous : 540-246 next › : 540-247 Telephone Number List 540-247-0000 ~ 540-247-9999