How do I block or unblock a contact?

Blocking contacts will prevent messages they send from reaching you and prevent them from seeing some of your information. For more information on what blocking does, read this article.

To block a contact that is saved in your phone

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

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.

To unblock contacts

If you have a touch screen phone:

  1. On WhatsApp's main screen go to Options > Settings > Account > Privacy > Blocked Contacts.
  2. Tap on the contact that you wish to unblock.
  3. Select Yes from the pop-up menu.

If you have a physical keyboard phone:

  1. On WhatsApp's main screen go to Options > Settings > Account > Privacy > Blocked Contacts.
  2. Highlight the contact that you wish to unblock.
  3. Press Unblock > Yes.

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 article.

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

Cheers,
WhatsApp Support Team