Area Code 605-379 located in LONG LAKE, MCPHERSON, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 379 City : LONG LAKE County : MCPHERSON State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 46089 LATA (Local Access Transport Area) : 638 Rate Center : SO NELVIK ZIP Code Count : 4 ZIP Code Frequency : 100 ZIP Code : 57457 Other Information NPANXX : 605379 County Population : 0 Switch CLLI (Common Language Location Identifier) : NLVKNDXADS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : DICKEY RURAL TELEPHONE COOPERATIVE OCN (Operating Company Number) : 1611 Coverage Area Name : LONG LAKE Latitude : 45.9159 Longitude : -99.1639 ‹ previous : 605-378 next › : 605-380 Telephone Number List 605-379-0000 ~ 605-379-9999