Area Code 479-432 located in FORT SMITH, SEBASTIAN, AR, more detail is as below. Place NPA (Numbering Plan Area) : 479 NXX (Local Number Prefix) : 432 City : FORT SMITH County : SEBASTIAN State : AR (Arkansas) NXX Use Type : Landline NXX Intro Version : 2006-02-16 FIPS (Federal Information Processing Standards) : 05131 Rate Center : FORT SMITH ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 72903 Other Information NPANXX : 479432 County Population : 0 Switch CLLI (Common Language Location Identifier) : LTRKARGGDS3 MSA CBSA (Core Based Statistical Area) : Fort Smith, AR-OK MSA CBSA Code (Core Based Statistical Area) : 22900 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 479-431 next › : 479-432 Telephone Number List 479-432-0000 ~ 479-432-9999