Area Code 605-564 located in HETTINGER, ADAMS, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 564 City : HETTINGER County : ADAMS State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 38001 LATA (Local Access Transport Area) : 638 Rate Center : SOHETTINGR ZIP Code Count : 9 ZIP Code Frequency : 8 ZIP Code : 58639 Other Information NPANXX : 605564 County Population : 0 Switch CLLI (Common Language Location Identifier) : HTNGNDXARS5 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : CONSOLIDATED TELCOM OCN (Operating Company Number) : 1607 Coverage Area Name : LODGEPOLE Flags : The State for this record does not match the State for the ZIP Code. To keep with data reporting, the state for the Area Code is used. Latitude : 45.9978 Longitude : -102.6394 ‹ previous : 605-563 next › : 605-564 Telephone Number List 605-564-0000 ~ 605-564-9999