Error 30451

Product: Programmable SMS

ERROR - 30451

Toll-Free phone number verification unable to process - address invalid

Twilio is unable to process your Toll Free Verification request because it could not be validated by Twilio and could not be submitted for verification review.

Possible Causes

The toll-free phone number cannot be verified because the address is invalid. It could be due to:

• The provided address is not a valid US or Canada address
• Invalid State or Region
• Invalid Country
• Invalid House Number
• Invalid City
• Invalid Postal Code
• Invalid Street
• Invalid Address - multiple issues

Possible Solutions

Correct the address and resubmit the verification in Console via the Messaging Compliance API.

Forbidden message categories

https://support.twilio.com/hc/en-us/articles/360045004974-Forbidden-message-categories-for-SMS-and-MMS-in-the-US-and-Canada

Toll-Free best practices can be found at

https://support.twilio.com/hc/en-us/articles/360038172934-Information-and-best-practices-for-using-Toll-Free-SMS-and-MMS-in-the-US-and-Canada