30440: Toll Free verification rejection - Unknown Error

The toll-free phone number cannot be verified because Twilio returned an unknown error during the verification review. Messaging traffic on this Toll-Free phone number is blocked.

• Twilio could not determine a specific rejection reason for the toll-free verification request.

• Contact Twilio Customer Support to investigate the rejection and determine the next step.
• Review Toll-Free best practices before you submit a new verification request.

• Toll-Free Verification Console Onboarding Guide
• Buying a toll free number with Twilio