Use Call Blocking Apps: Install call-blocking apps on your smartphone that can identify and block spam numbers automatically.
Add Your Number to Do Not Call Registry: Register your phone number with the national Do Not Call Registry to reduce the number of telemarketing calls you receive.
Enable Built-in Call Blocking: Many smartphones have built-in features to block specific numbers or numbers that aren't in your contacts.
Be Cautious with Your Number: Avoid giving out your phone number indiscriminately, especially online or to unknown parties.
Avoid Answering Unknown Numbers: If you don't recognize the number, let it go to voicemail. Legitimate callers will usually leave a message.
Use Call Screening Features: Some smartphones offer call screening features that can help identify spam calls before you answer.
Consider Third-party Call Blocking Services: Explore options for third-party call-blocking services that offer more advanced features for identifying and blocking spam calls.
Opt-Out of Marketing Lists: If you receive spam calls from legitimate companies, ask them to remove your number from their marketing lists.