Who called from 4086676573

Text said: Thanks 4 visiting our web site please call 866-630-3786 to claim your $100 wal-mart gift card voucher

text said: Thanks 4 visiting our web site please call 866-630-3786 to claim your $100 wal-mart gift card voucher! Reply STOP 2 Unsub

Text was sent twice in a row.  Called number and it hangs up after 8 seconds.  Can we get these jerks back?

sms said... "thanks 4 visiting our website please call 8666303786 to claim your $100 walmart gift card voucher! reply STOP 2 unsub"

"thanks 4 visiting our website please call 8666303786 to claim your $100 walmart gift card voucher! reply STOP 2 unsub"

same sms i got twice today i called it back rang once then went dead.