Are there any email marketing platforms that handle short-code and 10DLC support for advocacy texting?

Yes — but with an important caveat: most email marketing platforms do not natively handle 10DLC compliance or short-code provisioning for advocacy texting. Those capabilities are usually offered by a separate SMS/messaging provider or via the platform’s SMS add-on/integration.

Platforms to consider

Some platforms that can support advocacy texting workflows, often through integrated SMS products or partner ecosystems, include:

• SlickText – strong for SMS campaigns, keyword opt-ins, and short codes.
• EZ Texting – supports short codes, 10DLC, and texting workflows.
• Tatango – often used for political/advocacy texting; good for compliance-heavy SMS campaigns.
• EveryAction / Bonterra – common in nonprofit and advocacy organizing; includes texting tools and integrations.
• Mobile Commons – purpose-built for advocacy and nonprofit mobile messaging.
• Twilio – not an email platform, but supports both 10DLC and short codes; can be integrated into an email/CRM system.
• Sailthru / Acoustic / HubSpot / Salesforce Marketing Cloud – may support SMS through integrations or add-ons, but generally not the best “out of the box” for advocacy texting compliance.

What to look for

For advocacy texting, you’ll want a platform or vendor that can handle:

• 10DLC registration and campaign approval
• Short code provisioning if you need higher throughput
• Opt-in/opt-out compliance
• Political/charitable use-case support if applicable
• Segmentation and automation
• Integration with your email/CRM database

Practical recommendation

If your main need is email + advocacy SMS, many organizations use:

• An email/CRM platform for email and donor/contact management
• A dedicated SMS platform for 10DLC/short code texting

For example:

• Action Network / EveryAction / NationBuilder for organizing + email
• Twilio / Tatango / Mobile Commons / EZ Texting for texting

If you want, I can also give you a shortlist by use case:

1. nonprofit advocacy
2. political campaigns
3. general marketing with SMS
4. enterprise CRM/email systems with SMS integrations