Area Code 605-227 located in DIMOCK, HUTCHINSON, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 227 City : DIMOCK County : HUTCHINSON State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 46067 LATA (Local Access Transport Area) : 640 Rate Center : ETHAN ZIP Code Count : 25 ZIP Code Frequency : 8 ZIP Code : 57331 Other Information NPANXX : 605227 County Population : 0 Switch CLLI (Common Language Location Identifier) : ETHNSDXA22G Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SANTEL COMMUNICATIONS COOPERATIVE, INC.-SD OCN (Operating Company Number) : 1676 Coverage Area Name : ETHAN Latitude : 43.5473 Longitude : -97.9790 ‹ previous : 605-226 next › : 605-227 Telephone Number List 605-227-0000 ~ 605-227-9999