- Exchange your old list for a new list, with ListExchange from ListGiant. If you have old lists lying around, exchange them for a newer list which will help you grow your business. Just send us your old list and exchange it for a new one or a credit toward any of our other internet marketing services. So if you have , send them to us and watch your business grow! br br Contact your List Giant account manager or call (800) 383-1381 to speak to one of our friendly List Giant representatives.