A2P Registration

• US Phone Number Registrations
• [A2P Registration] Opt-In Form - Terms and Conditions Guidelines
• A2P 10DLC Brand Approval Best Practices
• A2P Sole Proprietor Brands Registration
• List of campaign use case types for A2P 10DLC registration
• Pricing and Fees for the A2P 10DLC Service
• Important Notice: Verify Your Sole Proprietor Brands OTP
• Unregistered 10DLC Message Fees Will Increase; Register Numbers by June 1, 2023 to Avoid Higher Unregistered Messaging Fees
• A2P 10DLC Campaign Approval Best Practices
• A2P 10DLC Campaign Vetting Changes - January 2023
• LC Phone System Trust Center
• Forbidden message categories for SMS and MMS in the US and Canada