Service — fake ads in my mobile number

Address: Bangalore, Karnataka, 560076

Hi please help in deactivate my mobile number in Locanto, someone has posted ads using my mobile no without my consent . I am getting 100 call and saying they have seen in Locanto .People are calling me from Mumbai and Pune when I an in Bangalore. Do sort this out at the earliest. I am unable to track the ad need to help.
People are calling me and asking for sex service