Stop sms me

Everytime I get these constant messages you block one number. After a few weeks it back again. I never app**** for anything from the company or heard about them. This is the messages I get Futurewise in partnership with Nedbank brings you an Education Plan to secure the future of your children. Reply YES for a call (Free), Stop to optout FSP How many times must I block these messages a day smsopt out before this company stops I didn't signed up for these