Numbers with this prefix were first introduced in 1997.While 8123736580 was originally issued with the info above, the owner of the phone number (812) 373-6580 may have transferred it through a process called porting.
Caller name: Indiana Call
Caller type: Survey
812-373-6580 is the telephone number for Survey Sampling International (SSI). They appear to be a legitimate company, but I don't trust a caller whose name doesn't display on Caller ID. They ignore the DNC and call relentlessly.