770-247 does not have a location assigned.
It is more than likely this area code & prefix is invalid and/or not officially registered with the North American Numbering Plan.
Enter 7-digit phone number for area code 770 or the complete 10-digit phone number
No further information is available for 770-247.
News & Info
Some useful links:
National Do Not Call Registry
FTC - Cell Phones and the Do Not Call Registry
FCC - Do Not Call List
FTC Complaint Assistant1.3.7