Can I call 800 numbers? Alex July 13, 2017 00:29 Ring4 does support calls to U.S 800 numbers at this time. Related articles Do you support international calling? I have a new Phone, can I transfer my Ring4 account and phone number? How do I block contacts and unwanted calls? I have completed a mission to earn free credits but the new credits don't appear Can I port an existing phone number to Ring4? Comments 0 comments Please sign in to leave a comment.