Spam calls are a pervasive nuisance in today’s connected world. Fortunately, several strategies and tools can help minimize these unwanted interruptions. This blog post explores practical steps to block spam calls and regain control over your communication.
Understanding the Spam Call Landscape
Spam calls encompass various unwanted communications, including robocalls, telemarketing calls, scams, fraud attempts, and harassment. These calls not only disrupt daily life but can also pose serious risks, such as identity theft and financial fraud.
Don’t Answer Unknown Numbers
A primary defense against spam calls is to avoid answering calls from blocked or unrecognized numbers. If the caller is legitimate, they will likely leave a voicemail. Before calling back, verify the number through a search engine to confirm its authenticity.
Utilizing Carrier Services and Devices Features
Many phone companies offer services and apps to block or label potential spam calls. These services often use call-blocking technology to identify and block suspicious calls proactively. Contact your service provider to learn about available options, which may include:
- Call Blocking: Automatically prevent unwanted calls from reaching your phone.
- Call Labeling: Identify potential spam or scam calls with labels like “spam risk” on your caller ID.
- Built-In Blocking: Use your cell phone’s settings to block specific numbers manually.
Third-Party Apps
Numerous third-party apps can help manage and block spam calls. When selecting an app, consider the following features:
- Automatic Call Blocking: Automatically block known spam numbers and suspicious calls.
- Spam Alerts: Receive alerts for potentially unwanted calls.
- Community-Based Detection: Benefit from a community-updated database of spam numbers.
- Reporting: Easily report spam numbers to improve the app’s accuracy.
Popular apps include Truecaller and Hiya. Truecaller identifies and blocks spam calls, utilizing a community-based spam detection system with over 433 million users. Hiya, which powers call blocking for AT&T and Samsung, offers similar features.
Do Not Disturb (DND) and Blocking
Activating the Do Not Disturb (DND) feature can significantly reduce spam calls. In India, you can register for DND through your mobile network provider:
- SMS Method: Send “FULLY BLOCK” to 1909 to block all telemarketing spam.
- Category-Specific Blocking: Use specific codes (e.g., “BLOCK 1” for banking/insurance) to block certain categories.
- Provider Apps: Use the MyJio, Airtel Thanks, or Vi app to manage DND preferences.

Creating a Block List
Most smartphones allow you to block individual numbers directly. Create a block list to manage unwanted callers:
- Block Individual Numbers: Manually add spam numbers to your block list.
- Block Non-Phonebook Numbers: Block calls from numbers not in your phonebook (available on Android).
SMS Fraud Detection
Be wary of spam SMS messages. Truecaller, for example, offers SMS fraud detection, which identifies and warns you about fraudulent messages, disabling links to prevent harm.
Staying Vigilant
Be Skeptical: Do not respond to questions that can be answered with “Yes”.
- Hang Up and Call Back: If someone claims to be with a company, hang up and call the company directly using their official number.
- Avoid Pressing Numbers: Do not press a number if prompted by a recording.
Reporting Spam
Report spam calls and messages to help improve detection efforts:
- Phone Service Carrier: Report spam to your carrier.
- Email Provider: Report spam emails to your email provider.
- Government Agencies: Report scams and fraud to relevant authorities.
Additional Tips
- Use a Google Voice Number: Use a Google Voice number for sign-ups to protect your primary number from spam.
- Two-Factor Authentication (2FA): Enable 2FA to protect accounts from phishing attacks.
- Manage Email Engagement: Use engagement automations to track who opens your messages, and remove contacts who don’t interact with your emails.
- Comply with CAN-SPAM Act: Ensure your commercial emails comply with the CAN-SPAM Act.
By implementing these strategies, you can significantly reduce the number of unwanted spam calls you receive. Staying informed, utilizing available tools, and practicing vigilance are key to maintaining a more peaceful and secure communication experience.
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