как по английски сказать ваш контакт (номер) заблокирован пользователем

as in English say your contact (number) locked by

Your phone number has been blocked by the user. You won't be able to send messages to the number anymore.

(The) User has blocked your number (contact)
No more messenges to the number(contact) or You can' send any messenges to this number(contact)