Area Code 605-234 located in CHAMBERLAIN, BRULE, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 234 City : CHAMBERLAIN County : BRULE State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 2002-02-13 FIPS (Federal Information Processing Standards) : 46015 LATA (Local Access Transport Area) : 640 Rate Center : CHAMBERLAN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 57325 Other Information NPANXX : 605234 County Population : 0 Switch CLLI (Common Language Location Identifier) : PKWNSDXADS1 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MIDSTATE TELECOM, INC. - SD OCN (Operating Company Number) : 9001 Coverage Area Name : CHAMBERLAIN Latitude : 43.8092 Longitude : -99.3323 ‹ previous : 605-233 next › : 605-235 Telephone Number List 605-234-0000 ~ 605-234-9999