Call customer service at to ask for the specific reason for the block.
Step 4: Verify with Your Mobile CarrierContact your cell phone provider’s customer service. Ask them to ensure that "Collect Calling" or "Third-Party Billing" is not restricted on your account. Some "Scam Shield" or "Spam Block" apps on smartphones mistakenly flag prison calls as junk mail; try whitelisting the facility's specific outgoing number. how to unblock a prison call