Olx India — someone create account on my number.

Address:

fazilka, fazilka, Fazilka, Punjab, 152123

Someone call me n ask for a code which end kn my inbox.. On tht tim i gave him bcz he tell to me tht its cmpny who gave m free recharge, on tht m bzy... But after that i checked tht someone create account on olx with my number.. And for tht he get code from me.. But now i want to delete account from him. He can missuse.... How can i.. Please help me.