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How to get your phone number A2P approved in 2026

A2P 10DLC registration is a process used by U.S. cellular carriers (e.g. Verizon, AT&T, T-Mobile, etc) to verify

Last updated: May 26, 2026

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On this page

  • Overview of A2P Registration
  • Opt-In Form
  • Strict Separation between Marketing vs Non-Marketing Messages
  • No Pre-Selection of Checkboxes
  • Consent Checkboxes are Always Optional
  • Footer Links
  • Example of a Good-Looking Form
  • Campaign Use: Case Descriptions vs. Opt-in Forms
  • Universal Footer Requirements
  • Privacy Policy
  • Terms & Conditions (TnC)
  • Accessibility
  • Transparency
  • Privacy Policy Essentials
  • Strict Prohibition
  • Non-Sharing Clause
  • Terms of Service Clauses
  • TnC: Business Identity Clause
  • TnC: Opt-Out & Support Mechanisms
  • TnC: Carrier Liability Clause
  • TnC: Message Frequency Clause
  • TnC: Privacy Policy Link
  • Sample Privacy Policy and Terms & Conditions Pages
  • Doing Business As (DBA) Requirements
  • Using a Subdomain for A2P Registration
  • Subdomain Readiness Checklist
  • How to Get Support
  • Related Articles

In this folder

  • Phone System Pricing & Billing Guide
  • What is LC (Lead Connector) Phone System?
  • Number Intelligence - Spam Detection, Caller ID & SMS Validation
  • Voicemail For Company And For Users
  • Getting Started with A2P 10DLC
  • Call Forwarding to Your Bizura Phone Number
  • How do I migrate my agency and sub-account over to LC Phone?
  • Why is your account suspended
  • Regulatory Bundle and Address Creation for Sub-Accounts
  • How to Disable LC Phone System for Subaccount/Location (LC to Twilio)
  • Phone System Messaging Analytics Overview
  • Know Your Customer (KYC) in the United Kingdom
  • How to Enable Call Transcriptions for Recorded Calls
  • How to Set Up Verified Caller ID (Use your number for Voice Calls)
  • How to Configure SMS Compliance Settings
  • Physical VoIP Deskphones (SIP)
  • LC Phone System - Error Code and Warning Dictionary
  • Why You Can't Delete a Twilio Subaccount from the Bizura?
  • KYC Verification on Persona — Best Practices
  • Custom Dispositions for Voice Calls
  • Avoiding Call Loops when routing calls to Internal Phone Numbers
  • How to Reduce Inbound Spam Calls
  • How to use Custom CSS to hide the Twilio error banner
  • Setting up webhooks to receive incoming calls, messages and status updates for calls (for Twilio users)
  • Understanding Default Phone Preferences for New Sub-Accounts
  • How to Create and Use Call Scripts in Web & App Dialers
  • The Phone Dialer Overview
  • Moving Phone Numbers: Migration Guide
  • 5% Stripe Markup Removed From All Phone System Charges
  • Call Events Not Working for Twilio

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