Area Code 540-523 located in ROANOKE, ROANOKE CITY, VA, more detail is as below. Place NPA (Numbering Plan Area) : 540 NXX (Local Number Prefix) : 523 City : ROANOKE County : ROANOKE CITY State : VA (Virginia) NXX Use Type : Landline NXX Intro Version : 5/24/2010 FIPS (Federal Information Processing Standards) : 51770 LATA (Local Access Transport Area) : 244 Rate Center : ROANOKE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 24016 Other Information NPANXX : 540523 County Population : 0 MSA CBSA (Core Based Statistical Area) : Roanoke, VA MSA CBSA Code (Core Based Statistical Area) : 40220 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CAVALIER TELEPHONE, LLC OCN (Operating Company Number) : 4725 Coverage Area Name : ROANOKE Latitude : 37.2704 Longitude : -79.9444 ‹ previous : 540-522 next › : 540-524 Telephone Number List 540-523-0000 ~ 540-523-9999