Block Known Contacts
When you block a contact on WhatsApp, you stop receiving messages, calls, or status updates from them. The blocked user won’t be able to view your status updates or other information.
Block a Contact on WhatsApp for iPhone
Block a Contact on WhatsApp for Android
Block an Unknown Number
Blocking an unknown number is a simple process, as well.
Block an Unknown Number on WhatsApp for iPhone
If this is the first time a phone number has contacted you, open the chat and tap Block > Block. If you received more than one message, tap phone number > Block Contact > Block or Report and Block. The Report and Block option allows you to report the number as spam to WhatsApp.
Block an Unknown Number on WhatsApp for Android
In WhatsApp, open the chat with the unknown phone number. Tap Block, then tap Block again. If the message from the unknown number is spam, you have the option to tap Report and Block instead, which reports and blocks the number.
Unblock Contacts on WhatsApp
If you change your mind, it’s easy to unblock a contact. You won’t receive messages or calls that the person sent you while they were blocked.
