Use Call Authentication Technologies (STIR/SHAKEN)

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The telecom industry has introduced STIR/SHAKEN protocols to reduce spoofing and fraudulent calls. Ask your provider if your number is registered with these technologies—they help prove your calls are legitimate and reduce the chance of being marked as spam.

6. Encourage Contacts to Whitelist Your Number
Ask your family, friends, and business contacts to mark your number as “Not Spam” or add you to their trusted contacts list. This user behavior helps spam filters learn that your number is legitimate.

7. Monitor Your Number Regularly
Set up alerts on spam detection apps czech republic mobile phone number list or services to monitor if your number is flagged again. Promptly address any future reports to maintain your number’s reputation.

Preventing Future Spam Listings
Once your number is removed, take these proactive steps:

Avoid making too many calls in a short period, especially to unknown numbers.

Use caller ID and call blocking apps to filter unwanted calls.

Regularly update your phone security and use strong passwords to prevent hacking.

Educate your contacts about spoofing scams.

Keep your telecom provider informed of any suspicious activity.

What If My Number Was Used for Spoofing?
If someone else is spoofing your number to make spam calls, removal can be more complicated. Besides reporting to spam databases and your provider, you should also:

File a complaint with regulatory bodies such as the Federal Communications Commission (FCC) in the U.S. or Canadian Radio-television and Telecommunications Commission (CRTC) in Canada.

Notify local law enforcement if harassment or fraud is involved.

Publicly inform your contacts and clients to be cautious of suspicious calls pretending to be from your number.