If you don't want to receive calls or texts from a certain number, you can block it. When the number tries to contact you, your phone will automatically decline the call or text.
Use either app to block both calls and texts from a number.


To block a number saved in your contacts, tap 
To block other numbers, tap 
Use either app to unblock a number, so you can receive calls and texts from that number.





If a contact has multiple numbers, you can block them all with the Contacts app 

On the contact screen, you'll see 




Your phone will block calls from private or unidentified numbers. You'll still receive calls from phone numbers that are stored in your contacts.