Area Code 605-288 located in MARTIN, BENNETT, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 288 City : MARTIN County : BENNETT State : SD (South Dakota) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 46007 LATA (Local Access Transport Area) : 646 Rate Center : NO GORDON ZIP Code Count : 3 ZIP Code Frequency : 3 ZIP Code : 57551 Other Information NPANXX : 605288 County Population : 0 Switch CLLI (Common Language Location Identifier) : GRDNNERQRS1 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : GREAT PLAINS COMMUNICATIONS, INC. OCN (Operating Company Number) : 1577 Coverage Area Name : BATESLAND Latitude : 43.0342 Longitude : -102.2499 ‹ previous : 605-287 next › : 605-288 Telephone Number List 605-288-0000 ~ 605-288-9999