Area Code 336-831 located in WINSTON SALEM, FORSYTH, NC, more detail is as below. Place NPA (Numbering Plan Area) : 336 NXX (Local Number Prefix) : 831 City : WINSTON SALEM County : FORSYTH State : NC (North Carolina) NXX Use Type : Landline NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 37067 LATA (Local Access Transport Area) : 424 Rate Center : WINSTN SAL ZIP Code Count : 2 ZIP Code Frequency : 100 ZIP Code : 27103 Other Information NPANXX : 336831 County Population : 0 Switch CLLI (Common Language Location Identifier) : GNBONCPHDS2 MSA CBSA (Core Based Statistical Area) : Winston-Salem, NC MSA CBSA Code (Core Based Statistical Area) : 49180 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BUSINESS TELECOM INC. - NC OCN (Operating Company Number) : 7796 Coverage Area Name : WINSTON SALEM Latitude : 36.0979 Longitude : -80.2470 ‹ previous : 336-830 next › : 336-832 Telephone Number List 336-831-0000 ~ 336-831-9999