Is there a cost for text messages that are not delivered? Tarun Gulati June 17, 2020 12:24 Updated Yes. Telecom carriers charge us for every text message that is sent to them irrespective of whether it is delivered or not. Related articles How to check Call and SMS pricing in my account? How does Call Center Pricing Work Do I have to pay for busy or invalid numbers? What are my payment options? Can I use my phone number as Caller ID for text messages? Comments 0 comments Please sign in to leave a comment.