10DLC Compliance
10DLC (10-Digit Long Code) is the industry standard for Application-to-Person (A2P) messaging in the United States. All businesses sending SMS to US phone numbers must register their brand and messaging campaigns.Why 10DLC?
US carriers (AT&T, T-Mobile, Verizon) require 10DLC registration to:- Reduce spam - Verify legitimate business senders
- Improve deliverability - Registered traffic gets priority routing
- Increase throughput - Higher message limits for trusted senders
- Ensure compliance - Meet TCPA and carrier requirements
Registration Process
10DLC registration consists of two steps:Fees are TCR’s, passed through at cost and charged from your balance when you submit: **15 one-time plus 2 + 4.
Step 1: Brand Registration
Your Brand represents your business entity. You provide company information like legal name, EIN/Tax ID, address, and website. This is reviewed by The Campaign Registry (TCR).Step 2: Campaign Registration
A Campaign describes your messaging use case. You specify the type of messages (2FA, marketing, notifications), provide sample messages, and confirm compliance settings.Step 3: Phone Number Assignment
Once your campaign is approved, assign your US phone numbers to it. Messages sent from these numbers will be delivered as registered A2P traffic.Costs
Throughput Limits
Your messaging throughput depends on your Trust Score, assigned by TCR based on your brand vetting:Most small businesses receive a Medium trust score. Large enterprises with established brands typically receive High scores.
Prerequisites
Before starting 10DLC registration, you need:- Approved Business Verification (KYB) - Carriers register a brand against a vetted legal entity, so this is a hard prerequisite: submitting a brand or a campaign without it returns
403 kyb_required. Complete it at Compliance → Verification - US phone number - At least one number to assign to your campaign
- Business information - Legal name, EIN, address, website
Next Steps
Register Your Brand
Start with brand registration
Create a Campaign
Set up your messaging campaign
API Reference
Manage 10DLC brands and campaigns programmatically:- Get a 10DLC brand — retrieve brand registration details
- Update a 10DLC brand — modify a draft brand before submission
- Delete a 10DLC brand — remove a brand from your account
- Get a 10DLC campaign — retrieve campaign details and status
- Delete a 10DLC campaign — remove a campaign you no longer use