Area Code 336-489 located in WEST JEFFERSON, ASHE, NC, more detail is as below. Place NPA (Numbering Plan Area) : 336 NXX (Local Number Prefix) : 489 City : WEST JEFFERSON County : ASHE State : NC (North Carolina) NXX Use Type : Wireless NXX Intro Version : 5/18/2006 FIPS (Federal Information Processing Standards) : 37009 LATA (Local Access Transport Area) : 424 Rate Center : WJEFFERSON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 28694 Other Information NPANXX : 336489 County Population : 0 Switch CLLI (Common Language Location Identifier) : WJSNNCXA1MD Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - GA OCN (Operating Company Number) : 6214 Coverage Area Name : W JEFFERSON Latitude : 36.3997 Longitude : -81.4886 ‹ previous : 336-488 next › : 336-490 Telephone Number List 336-489-0000 ~ 336-489-9999