Area Code 336-377 located in WINSTON SALEM, FORSYTH, NC, more detail is as below. Place NPA (Numbering Plan Area) : 336 NXX (Local Number Prefix) : 377 City : WINSTON SALEM County : FORSYTH State : NC (North Carolina) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 37067 LATA (Local Access Transport Area) : 424 Rate Center : STANLEYVL ZIP Code Count : 891 ZIP Code Frequency : 64 ZIP Code : 27105 Other Information NPANXX : 336377 County Population : 0 Switch CLLI (Common Language Location Identifier) : SLVLNCXARS0 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 : WINDSTREAM NORTH CAROLINA, INC. OCN (Operating Company Number) : 0476 Coverage Area Name : STANLEYVILLE Latitude : 36.1966 Longitude : -80.2778 ‹ previous : 336-377 next › : 336-378 Telephone Number List 336-377-0000 ~ 336-377-9999