Area Code 605-734 located in CHAMBERLAIN, BRULE, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 734 City : CHAMBERLAIN County : BRULE State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46015 LATA (Local Access Transport Area) : 640 Rate Center : CHAMBERLAN ZIP Code Count : 1447 ZIP Code Frequency : 88 ZIP Code : 57325 Other Information NPANXX : 605734 Switch CLLI (Common Language Location Identifier) : CHBLSDCORS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : QWEST CORPORATION OCN (Operating Company Number) : 9631 Coverage Area Name : CHAMBERLAIN Latitude : 43.8092 Longitude : -99.3323 ‹ previous : 605-734 next › : 605-735 Telephone Number List 605-734-0000 ~ 605-734-9999