Numbers with this prefix were first introduced in 2001.While 6056103575 was originally issued with the info above, the owner of the phone number (605) 610-3575 may have transferred it through a process called porting.
Caller name: Sioux Falls, SD
Caller type: Survey
asked a few questions, including age, I was not "within" their demographics so asked if a registered male was available, got his age and said that he was not "with in" their demographics either. She then hung up, not sure what age they were looking for, I am sure if of the correct age, the color would have been wrong.