Area Code 605-944 located in MARTIN, BENNETT, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 944 City : MARTIN County : BENNETT State : SD (South Dakota) NXX Use Type : Wireless NXX Intro Version : 11/12/2009 FIPS (Federal Information Processing Standards) : 46007 LATA (Local Access Transport Area) : 640 Rate Center : MARTIN ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 57551 Other Information NPANXX : 605944 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : MARTIN Latitude : 43.1761 Longitude : -101.7420 ‹ previous : 605-943 next › : 605-945 Telephone Number List 605-944-0000 ~ 605-944-9999