Area Code 605-922 located in ELKTON, BROOKINGS, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 922 City : ELKTON County : BROOKINGS State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 8/4/2010 FIPS (Federal Information Processing Standards) : 46011 LATA (Local Access Transport Area) : 640 Rate Center : ELKTON ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 57026 Other Information NPANXX : 605922 MSA CBSA (Core Based Statistical Area) : Brookings, SD MSA CBSA Code (Core Based Statistical Area) : 15100 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MCC TELEPHONY OF THE MID-WEST, LLC - SD OCN (Operating Company Number) : 920F Coverage Area Name : ELKTON Latitude : 44.2329 Longitude : -96.4811 ‹ previous : 605-920 next › : 605-923 Telephone Number List 605-922-0000 ~ 605-922-9999