Area Code 540-536 located in WINCHESTER, WINCHESTER CITY, VA, more detail is as below. Place NPA (Numbering Plan Area) : 540 NXX (Local Number Prefix) : 536 City : WINCHESTER County : WINCHESTER CITY State : VA (Virginia) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 51840 LATA (Local Access Transport Area) : 246 Rate Center : WINCHESTER ZIP Code Count : 31 ZIP Code Frequency : 97 ZIP Code : 22601 Other Information NPANXX : 540536 County Population : 0 Switch CLLI (Common Language Location Identifier) : WNCHVAWCDS0 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 : VERIZON VIRGINIA, INC. OCN (Operating Company Number) : 9213 Coverage Area Name : WINCHESTER Latitude : 39.1869 Longitude : -78.1669 ‹ previous : 540-536 next › : 540-537 Telephone Number List 540-536-0000 ~ 540-536-9999