Activate DND (Do Not Disturb) In India, the Telecom Regulatory Authority of India (TRAI) provides a National Do Not Call (NDNC) registry. By registering your number on this list, you can significantly reduce the number of promotional calls you receive. Use Call Blocking App There are several mobile applications available that can help you block spam calls. who called me from this number 1909 911955 9876543210 68886 sms : These apps use crowdsourced databases to identify known spam numbers and prevent them from reaching your device. Be Cautious with Your Information Never share personal or financial information over the phone unless you’re absolutely sure of the caller’s authenticity. Legitimate organizations won’t ask for sensitive details over the phone. Report Spam Call Most mobile network providers allow you to report spam calls. This helps them identify and take action against spammers. Reporting such calls contributes to a safer telecom environment for everyone.