Blocking Spam Calls with the Google Phone App

Open the Phone app.

Tap the three dots in the top-right corner and select Settings.

Go to Caller ID & spam.

Enable Filter spam calls to automatically block known spam numbers.

Manual Blocking

Go to your recent calls.

Tap and hold the number you want to block.

Select Block / Report as spam.

Third-Party Apps

Truecaller: Identifies and blocks spam calls and messages.

Hiya: Provides caller ID and blocks unwanted calls.

Call Control: Offers community-based spam blocking.