678-487-2800

This number showed as the Caller ID during a robocall selling an MLM (Multi-Level Marketing) pyramid/"Ponzi" SCAM.  After a long recording they stated and spelled their web address as (don't go here!) "www.GrowRichBusiness.com".  The registrar for that domain is GoDaddy, the web host is "MembershipSiteHosting.com", and the registrant (owner) is below.  Complaints directed at the registrar and host may result in action against the site or owner.  Robocalls of this nature are already illegal in some places, and are likely to become illegal everywhere soon.

Phone number on Caller ID: (678) 487-2800
Date of call: June 21, 2016

Registrant information:
Name: Leonard Grant
Organization: Profit Power Solutions, LLC.
Street: 7207 Woodiron Drive
Street: Ste. 10-382
City: Duluth
State/Province: Georgia
Postal Code: 30097
Country: US
Phone: +1.8668246975
Email: PointAndGuide@Gmail.com

A quick google of their email address ("PointAndGuide@Gmail.com") returns lots of information and many more examples.