FAXing back to the FAX with requests to have their number removed.
Using snailmail to request to have their number removed. Their Corp office is Premiere Global, The Terminus Bldg., 3280 Peachtree Road NW, Suite 1000, Atlanta, GA 30305.
They also have one at 3101 Towercreek Pkwy SE, Atlanta, GA 30339-3256.
They and/or their partners have many toll free numbers. 800-546-1541, 866-379-8791, 866-619-2113, 877-422-2822, 877-636-8937, 877-771-8283, 404-262-8400. Sales people really like to experience what we have been experiencing - voice mail filled with garbage.
Also, the top man there is Boland Jones(cool sounding name even if he causes us headaches). His number is 770-956-7525.
If he's not there, perhaps he is visiting his alma mater Miami University @ Oxford, OH. He actively supports their Entrepreneurial Center - call and leave messages at 513-529-1809 or 8345.
Let's harass the harassers.