Area Code 605-396 located in HOUGHTON, BROWN, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 396 City : HOUGHTON County : BROWN State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46013 LATA (Local Access Transport Area) : 640 Rate Center : COLUMBIA ZIP Code Count : 14 ZIP Code Frequency : 7 ZIP Code : 57449 Other Information NPANXX : 605396 County Population : 0 Switch CLLI (Common Language Location Identifier) : CLMASDXA39G MSA CBSA (Core Based Statistical Area) : Aberdeen, SD MSA CBSA Code (Core Based Statistical Area) : 10100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : JAMES VALLEY COOPERATIVE TELEPHONE COMPANY OCN (Operating Company Number) : 1664 Coverage Area Name : COLUMBIA Latitude : 45.6173 Longitude : -98.3083 ‹ previous : 605-395 next › : 605-396 Telephone Number List 605-396-0000 ~ 605-396-9999