What Is A2P 10DLC?

If you use GoHighLevel to send text messages to US-based numbers, you must comply with A2P 10DLC (Application-to-Person 10-Digit Long Code). Mobile carriers require businesses to register their phone numbers to prevent spam and verify sender identity.

(Note: A2P 10DLC is specifically a U.S. telecom requirement. Businesses operating in Kenya or elsewhere should verify their local carrier regulations).

Brand vs. Campaign Registration

In the GoHighLevel Trust Center, the process is split into two parts:

1. Brand Registration: Proves who you are (Legal business name, EIN, address).

2. Campaign Registration: Explains what you are sending (Appointment reminders, marketing) and proves that customers opted in.

How to Get Approved on the First Try

Rejections happen constantly because of minor data mismatches. Ensure you have the following perfectly aligned:

• Tax Records Match: Your submitted legal business name and address must match your official tax documents letter-for-letter.

• Clear Opt-In Checkboxes: Your website forms must include a specific checkbox stating the user agrees to receive SMS marketing. Do not pre-check this box.

• Privacy Policy: Your website footer must link to a Privacy Policy that explicitly states mobile data is not shared with third parties for marketing purposes.

• Sample Messages: Provide realistic sample texts that include opt-out language (e.g., "Reply STOP to unsubscribe").

What to Do if Rejected

Do not immediately resubmit the same information. Read the rejection code. If it cites "Opt-in workflow," check your website form to ensure the SMS consent text is clearly visible. Correct the specific error before requesting another review.

Registration is not a substitute for responsible messaging. Keep your opt-out rates low by sending relevant, expected communications.