How do I block or unblock a contact?

Blocked contacts cannot reach you in WhatsApp or see your profile information. For more information on what blocking does, see this article.

A. To block a contact that is saved in your phone:

  1. Open WhatsApp
  2. Go to Options > Settings > Blocked Contacts > Options > Add Contact
  3. Choose the contact you wish to block.

B. To block a number that is not saved in your phone:

  1. Open the chat window with the unknown contact
  2. Go to Options > Block

C. To unblock contacts:

  1. On WhatsApp's main screen go to Options > Settings > Blocked Contacts
  2. Select the contact you wish to unblock
  3. Click Options > Unblock

Alternatively, you can simply send a message to the contact you blocked and you will be prompted with a message to unblock that contact.

Want to delete someone from your Favorites or contacts list? Read this.

Learn how to block or unblock a contact on: Android | iPhone | BlackBerry | Nokia S60 | Windows Phone | BlackBerry 10.

Cheers,
WhatsApp Support Team