A2P 10DLC Campaign Vetting Delays: Twilio cannot approve 10DLC Campaigns ourselves, and must rely on third parties who control our connections to carriers to sign off. These external processes are creating several week delays for our customers. We continue to escalate these issues and are working to reduce delays wherever possible. Further details will be shared in the Campaign Vetting Changes article as they become available.

Shutdown of Unregistered 10DLC Messaging FAQ

Effective July 5, 2023, all 10DLC phone numbers used to send SMS and MMS messages to U.S. phone numbers must be fully registered to an approved campaign under your brand. Messages sent using unregistered phone numbers will be subject to a gradual increase of message blocking by Twilio, beginning on July 5, 2023, ultimately leading to a full block of all unregistered U.S.-bound messages sent after August 31, 2023. This article outlines our recommended best practices for making sure you’re registered, and answers common questions on the upcoming changes. For full details of the A2P 10DLC registration process, see What is A2P 10DLC

How do I know if I’ve already registered for A2P 10DLC?

You can check the A2P 10DLC registration status of your Twilio phone numbers via Console or our REST API. For full details, see How do I check that I have completed US A2P 10DLC registration.

How do I get more time to register?

Twilio introduced 10DLC registration options in 2021, and this July 5th deadline for registration is the next step in our final effort to help create a fully-verified U.S. messaging ecosystem. We are unable to extend the time frame any further; all registrations must be fully completed by July 5th to avoid the coming Twilio block on unregistered traffic.

Do I need to register for A2P 10DLC?

All customers sending 10DLC messages that terminate to US numbers need to register their numbers. This registration process is specific to traffic sent to the United States, so customers using 10DLC numbers to message other countries can ignore this process. 

Note: Customers sending messages to the US and Canada via Toll-Free numbers also need to register their use case, but with a different process. For full details, see Toll-Free Message Verification for US/Canada.

What happens if I don’t register?

Unregistered numbers will be subject to gradually increased rates of message blocking, beginning on July 5, 2023, ultimately leading to a full block of all unregistered US-bound messages sent after August 31, 2023. These messages will be blocked with a new ‘30034’ error.

Note: Twilio messaging rates will still apply to blocked messages. The following fees will apply to unregistered messages that are not blocked with 30034:

  • June 1, 2023: AT&T and T-Mobile will increase carrier fees for unregistered messages (review our A2P 10DLC Pricing article for details).
  • August 1, 2023:  2nd increase for T-Mobile carrier fees for unregistered messages (review our A2P 10DLC Pricing article for details).

How do I prevent Twilio from blocking my unregistered traffic?

Submit your A2P 10DLC registration(s) as soon as possible to prevent blocking from affecting your delivery rates. There will not be a way to prevent the full block on unregistered traffic.

Note: ‘In Progress’ Campaign registrations will be included in the gradually increasing blocks starting on July 5th; phone numbers must be fully registered to an approved campaign under your brand to avoid these blocks. Please keep in mind that Campaigns must be manually reviewed and approved before registration can be completed, and there are currently delays of several weeks due to the large quantity of manual reviews required. As such, we strongly encourage you to submit your Brand(s) and Campaign(s) for registration as soon as possible in order to finalize the process by July 5th and avoid this blocking. For the latest information on processing times, see our A2P 10DLC Campaign Vetting Changes guide.

How do I register for A2P 10DLC?

You can register through the Twilio console or API. For more information on the process and various registration options see: How do I register to use A2P 10DLC messaging?

For a full overview of the different Brand registration offerings, see Comparison between Starter, Low Volume Standard, and Standard registration for A2P 10DLC. 

You can begin or resume the A2P 10DLC registration process in the console here.

My registration was rejected, and is ineligible for resubmission - What can I do?

If your request was rejected or is ineligible for A2P 10DLC registration, you may be able to use another Twilio product to reach your recipients.

The Twilio Sendgrid Email API is an option for many of the above use cases. For example, cannabis- or CBD-related messaging may be conducted via email, as long as you have proper age gating in place and are sending toward recipients in a locale where the substance is legal. 

In addition, the Twilio Programmable Voice product is not subject to the same carrier restrictions as SMS.

For more information about cannabis-related messaging alternatives, see Can I send cannabis or CBD-related messaging traffic on Twilio.

What other options do I have to send messages to the US?

In addition to 10DLC numbers, Twilio offers other sender types including Toll-Free Numbers, Short Codes, and WhatsApp messaging along with the Twilio Verify API. For more details on our different messaging offerings and any restrictions that may apply to them, please see the following:

Where can I go to ask more questions about the A2P 10DLC registration process?

We have a pre-recorded on-demand webinar and Q&A for ISVs to help understand A2P 10DLC Regulations along with tips on how to register A2P campaigns for your end customers. Level Up with Compliance: Understanding A2P 10DLC Regulations as an ISV

Alternatively, we have a pre-recorded on-demand webinar and Q&A for Developers as well here: Level Up with Compliance: Understanding A2P 10DLC Regulations as a Developer

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