SUPPORT.TWILIO.COM END OF LIFE NOTICE: This site, support.twilio.com, is scheduled to go End of Life on February 27, 2024. All Twilio Support content has been migrated to help.twilio.com, where you can continue to find helpful Support articles, API docs, and Twilio blog content, and escalate your issues to our Support team. We encourage you to update your bookmarks and begin using the new site today for all your Twilio Support needs.
Yes, they will be charged according to their mobile texting plan. Subscribers who pay a monthly charge for unlimited two-way texting will not be charged extra for texting to a toll-free number, but other subscribers may be charged per text sent or received.
Calls to toll free numbers, on the other hand, are always free for the callers.