Numbers with this prefix were first introduced in 1999.While 6784974839 was originally issued with the info above, the owner of the phone number (678) 497-4839 may have transferred it through a process called porting.
Caller type: Scammer/Fraudster
Robocall on how to make thousands of dollars/month on the web. This call went directly to voicemail without ringing, just like many calls that are scams. I've saved this number to my caller ID as "scam" so when they call again I'll know to ignore it.