A2P 10DLC registration is required for any business sending SMS messages to U.S. recipients. Carriers review submissions to verify sender legitimacy, proper user consent, and clear messaging purpose. Failure to comply results in rejection or suspension — and your texts simply won't be delivered.

1. Requirements Summary Checklist

Use this as your pre-submission audit. Every item must be checked before you submit.

Business & Brand Information

• [ ] Legal Business Name matches CP 575 / 147C
• [ ] EIN is ready
• [ ] Website is live and accessible
• [ ] Contact info (email, phone) matches across all assets
• [ ] DBA clearly declared (if applicable) and visible on website

Campaign Use Case

• [ ] Clearly defined message purpose
• [ ] Matches actual business model
• [ ] Specific (no vague terms like "notifications")
• [ ] Fully aligned with opt-in checkbox wording

Opt-In Form Compliance

• [ ] Phone number field is separate from consent
• [ ] Two unchecked consent checkboxes: Marketing messages + Non-marketing messages
• [ ] Exact required consent language used
• [ ] Consent is optional (form can be submitted without it)