Area Code 605-647 located in LENNOX, LINCOLN, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 647 City : LENNOX County : LINCOLN State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46083 LATA (Local Access Transport Area) : 640 Rate Center : LENNOX ZIP Code Count : 1270 ZIP Code Frequency : 78 ZIP Code : 57039 Other Information NPANXX : 605647 County Population : 0 Switch CLLI (Common Language Location Identifier) : LNNXSDXARS1 MSA CBSA (Core Based Statistical Area) : Sioux Falls, SD MSA CBSA Code (Core Based Statistical Area) : 43620 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : KNOLOGY COMMUNITY TELEPHONE, INC. OCN (Operating Company Number) : 1652 Coverage Area Name : LENNOX Latitude : 43.3567 Longitude : -96.8964 ‹ previous : 605-647 next › : 605-648 Telephone Number List 605-647-0000 ~ 605-647-9999