Area Code 605-505 located in PARKSTON, HUTCHINSON, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 505 City : PARKSTON County : HUTCHINSON State : SD (South Dakota) NXX Use Type : Wireless NXX Intro Version : 2006-06-01 FIPS (Federal Information Processing Standards) : 46067 LATA (Local Access Transport Area) : 640 Rate Center : PARKSTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 57366 Other Information NPANXX : 605505 County Population : 0 Switch CLLI (Common Language Location Identifier) : WNSCSDAB0MD Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : PARKSTON Latitude : 43.3892 Longitude : -97.9821 ‹ previous : 605-500 next › : 605-506 Telephone Number List 605-505-0000 ~ 605-505-9999