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How to Complete 10DLC Registration

Emily McClendon avatar
Written by Emily McClendon
Updated over a month ago

What is A2P 10DLC Registration?

A2P 10DLC (Application-to-Person 10-Digit Long Code) registration is a requirement introduced by U.S. mobile carriers in early 2022. Its purpose is to ensure that only verified businesses send SMS messages, helping reduce spam, phishing, and fraudulent activity.


Key Information

You must complete your A2P 10DLC registration before sending SMS messages through Practice by Numbers.

  • Fees:

    • $4 Brand Registration Fee

    • $15 Campaign Fee (charged once by The Campaign Registry, or TCR)

    • $10 Monthly Campaign Fee

Practice by Numbers will submit your information to The Campaign Registry on your behalf once you provide your business details.


How to Register

Open Settings

  • Click the Menu icon in the top-right corner of Practice by Numbers.

  • Select New Settings > Communication Settings > A2P 10DLC Settings.

Enter Your Business Information

  • Provide your legal business name, Federal Tax ID (EIN), and other required details.

  • Practice by Numbers will securely submit your information to The Campaign Registry (TCR) on your behalf.

Important Notes

  • Ensure your business information exactly matches what’s on file with your state registration.

  • Submissions with incorrect or mismatched details may be rejected.

  • A $4 resubmission fee applies for each correction or resubmission.

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