Learn how to troubleshoot any Service Access Denied issue with EZ Texting. It's rare, but at times a would-be SMS subscriber may receive a text error notification. To easily fix this, they can just contact their phone carrier and request a removal of the Short Code Block. That should solve the issue! As a reminder, subscribers can only receive messages from businesses based on the country their phone carrier is registered in. And our Help Center is always available 24/7 or you can reach out to us for Live Support Chat as well.