Area Code 336-397 located in WINSTON SALEM, FORSYTH, NC, more detail is as below. Place NPA (Numbering Plan Area) : 336 NXX (Local Number Prefix) : 397 City : WINSTON SALEM County : FORSYTH State : NC (North Carolina) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 37067 LATA (Local Access Transport Area) : 424 Rate Center : WINSTN SAL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 27105 Other Information NPANXX : 336397 County Population : 0 Switch CLLI (Common Language Location Identifier) : GNBPNC21DS0 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 : NUVOX COMMUNICATIONS OCN (Operating Company Number) : 8660 Coverage Area Name : WINSTON SALEM Latitude : 36.0979 Longitude : -80.2470 ‹ previous : 336-397 next › : 336-398 Telephone Number List 336-397-0000 ~ 336-397-9999