Area Code 479-231 located in SEBASTIAN, SEBASTIAN, AR, more detail is as below. Place NPA (Numbering Plan Area) : 479 NXX (Local Number Prefix) : 231 City : SEBASTIAN County : SEBASTIAN State : AR (Arkansas) NXX Intro Version : 10/25/2011 Rate Center : FORT SMITH ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 479231 County Population : 0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 479-230 next › : 479-232 Telephone Number List 479-231-0000 ~ 479-231-9999