How to Block a Phone Number on Android: Stop Spam Calls in Seconds

Unwanted calls can be frustrating—whether they’re spam, telemarketing promotions, or nuisance calls. Thankfully, most Android smartphones come with built-in features that allow you to block such numbers easily. If you’re tired of constant interruptions, here’s a simple and complete guide to blocking phone numbers on your Android device.

Why You Should Block Unwanted Calls

Blocking unwanted numbers helps you:

  • Avoid spam and telemarketing calls
  • Protect your privacy
  • Reduce disturbances during work or personal time
  • Prevent harassment or repeated nuisance calls

Method 1: Block a Number from Recent Calls

This is the quickest way to block a number:

  1. Open the Phone app on your Android device
  2. Go to the Recent Calls section
  3. Press and hold the number you want to block
  4. Tap on Block / Report Spam

👉 The number will be instantly blocked.

Method 2: Block a Number via Settings

You can also manually add numbers to your block list:

  1. Open the Phone app
  2. Tap on the three-dot menu (⋮) at the top right
  3. Go to Settings
  4. Select Blocked Numbers / Call Blocking
  5. Tap on Add Number
  6. Enter the number and confirm

How to Block Numbers on Different Android Devices

Stock Android (Pixel, Nexus)

  • Open Phone app → Recent calls
  • Long press number → Select Block

Or

  • Go to Settings → Call Blocking → Add number

Samsung Phones

  1. Open Phone app
  2. Select the number
  3. Tap on the three-dot menu
  4. Choose Block Number

Xiaomi Phones

  • Open Recent calls
  • Long press the number
  • Tap Block

👉 The process is similar across most Android devices, though menu names may vary slightly.

What If Your Phone Doesn’t Have Call Blocking?

If your device lacks a built-in feature, you can use third-party apps from the Google Play Store.

Popular options include:

  • Truecaller
  • Mr. Number
  • Calls Blacklist

⚠️ Note: Always check app permissions before installing third-party apps.

Extra Tips to Avoid Spam Calls

  • Register your number on Do Not Disturb (DND)
  • Avoid sharing your number on unknown platforms
  • Report spam numbers when possible
  • Keep your phone updated for better security

Final Thoughts

Blocking unwanted calls on Android is quick and effective