Area Code 605-286 located in AVON, BON HOMME, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 286 City : AVON County : BON HOMME State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46009 LATA (Local Access Transport Area) : 640 Rate Center : AVON ZIP Code Count : 461 ZIP Code Frequency : 80 ZIP Code : 57315 Other Information NPANXX : 605286 County Population : 0 Switch CLLI (Common Language Location Identifier) : AVONSDXARS2 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS OCN (Operating Company Number) : 1686 Coverage Area Name : AVON Latitude : 43.0038 Longitude : -98.0591 ‹ previous : 605-286 next › : 605-287 Telephone Number List 605-286-0000 ~ 605-286-9999