Area Code 605-756 located in WATERTOWN, CODINGTON, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 756 City : WATERTOWN County : CODINGTON State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46029 LATA (Local Access Transport Area) : 640 Rate Center : SOUTHSHORE ZIP Code Count : 16 ZIP Code Frequency : 8 ZIP Code : 57201 Other Information NPANXX : 605756 Switch CLLI (Common Language Location Identifier) : SSHRSDXARS7 MSA CBSA (Core Based Statistical Area) : Watertown, SD MSA CBSA Code (Core Based Statistical Area) : 47980 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : STOCKHOLM - STRANDBURG TELEPHONE CO. OCN (Operating Company Number) : 1679 Coverage Area Name : SOUTH SHORE Latitude : 45.1019 Longitude : -96.9244 ‹ previous : 605-755 next › : 605-756 Telephone Number List 605-756-0000 ~ 605-756-9999