Area Code 605-489 located in COLMAN, MOODY, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 489 City : COLMAN County : MOODY State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46101 LATA (Local Access Transport Area) : 640 Rate Center : CHESTER ZIP Code Count : 43 ZIP Code Frequency : 9 ZIP Code : 57017 Other Information NPANXX : 605489 County Population : 0 Switch CLLI (Common Language Location Identifier) : CHESSDXARS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : INTERSTATE TELECOM. COOP., INC. - SOUTH DAKOTA OCN (Operating Company Number) : 1651 Coverage Area Name : CHESTER Latitude : 43.8944 Longitude : -96.9255 ‹ previous : 605-488 next › : 605-489 Telephone Number List 605-489-0000 ~ 605-489-9999