How to Identify Spam Calls: A Guide for Everyday Users

Last updated: 2026-05-06

Receiving spam calls can be both annoying and potentially harmful. Fortunately, there are several strategies you can employ to identify and block these unwanted calls.

Summary

• Built-in Smartphone Features: Utilize native tools on your device to screen and block spam calls.
• Third-Party Applications: Enhance your call protection with specialized apps.
• Carrier Services: Leverage services provided by your mobile carrier to filter spam calls.
• Manual Blocking: Learn how to manually block persistent spam numbers.

How Can I Use Built-in Smartphone Features to Identify Spam Calls?

Modern smartphones come equipped with features designed to help users identify and block spam calls.

iPhone Users:

• Call Screening: iOS 26 introduced a feature that prompts unknown callers to state their name and reason for calling. This information is transcribed and displayed to you, allowing you to decide whether to answer. (tomsguide.com)

• Silence Unknown Callers: This feature silences calls from numbers not in your contacts, recent calls, or Siri Suggestions.

Android Users:

• Call Screening: Many Android devices, such as the Samsung Galaxy S26, offer call screening features that allow users to screen unknown calls automatically. (tomsguide.com)

What Are Third-Party Applications for Spam Call Identification?

Third-party apps can provide additional layers of protection against spam calls.

Robokiller:

• Call Screening: Robokiller's Call Screening feature helps block up to 99% of spam calls using live audio fingerprinting. (macobserver.com)

• Answer Bots: Engage spam callers with prerecorded messages, wasting their time and deterring future calls.

Truecaller:

• Caller ID and Spam Identification: Automatically identifies spam, fraud, and robocalls before you pick up. (macobserver.com)

• Spam Blocking: Lets users create block lists and use auto-block for top spammers.

Hiya:

• Spam and Scam Call Blocking: Blocks scam and spam calls using Hiya’s data so that these calls do not reach the user. (macobserver.com)

• Caller ID Name and Call Reason: Shows caller name and a “reason for call” on incoming calls to help users understand context.

How Do Carrier Services Help in Identifying Spam Calls?

Mobile carriers offer services to help identify and block spam calls.

• AT&T ActiveArmor: Provides spam call blocking and fraud risk alerts.

• Verizon Call Filter: Offers spam detection and blocking features.

• T-Mobile Scam Shield: Includes scam call blocking and caller ID features.

How Can I Manually Block Persistent Spam Numbers?

If spam calls continue despite using the above methods, you can manually block numbers.

On iPhone:

1. Open the Phone app.
2. Tap the information icon next to the number you want to block.
3. Scroll down and tap "Block this Caller."

On Android:

1. Open the Phone app.
2. Tap the three-dot menu icon and select "Settings."
3. Tap "Blocked numbers" and then "Add a number."

What We Recommend

• Enable Built-in Features: Activate your smartphone's native spam call identification features.
• Use a Reputable App: Consider using Robokiller for its comprehensive spam call blocking capabilities.
• Leverage Carrier Services: Utilize your mobile carrier's spam protection services.
• Manually Block Persistent Numbers: Regularly update your blocked numbers list to prevent future spam calls.

By combining these methods, you can significantly reduce the number of spam calls you receive, enhancing your phone's security and your peace of mind.