Area Code 605-201 located in SIOUX FALLS, MINNEHAHA, SD, more detail is as below. Place NPA (Numbering Plan Area) : 605 NXX (Local Number Prefix) : 201 City : SIOUX FALLS County : MINNEHAHA State : SD (South Dakota) NXX Use Type : Wireless NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 46099 LATA (Local Access Transport Area) : 640 Rate Center : SIOUX FLS ZIP Code Count : 1 ZIP Code Frequency : 25 ZIP Code : 57107 Other Information NPANXX : 605201 County Population : 0 Switch CLLI (Common Language Location Identifier) : SXFLSDQACM1 MSA CBSA (Core Based Statistical Area) : Sioux Falls, SD MSA CBSA Code (Core Based Statistical Area) : 43620 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 : SIOUX FALLS Latitude : 43.5470 Longitude : -96.7638 ‹ previous : 605-201 next › : 605-201 Telephone Number List 605-201-0000 ~ 605-201-9999