What Is A2P 10DLC? The Complete Registration Guide
A2P 10DLC is the US system for business texting from standard 10 digit phone numbers. Learn what carriers require and how to register your brand and campaign so your messages get delivered.
A2P 10DLC Explained in Plain Words
A2P means application to person. 10DLC means 10 digit long code, the normal local phone number your business already uses.
Business Texting
Covers texts a business sends from software to customers, like reminders, alerts and offers.
Required in the US
Since February 1, 2025, carriers block texts from unregistered 10DLC numbers.
Less Spam
Registration lets carriers confirm who is texting, which protects your customers.
Better Delivery
Registered traffic is less likely to be filtered or blocked by carriers.
Brand and Campaign Registration
Every business must register its brand and at least one campaign with The Campaign Registry.
Brand Registration
Confirms your business identity using your legal name, EIN, address, business type and website.
Campaign Registration
Explains why you text: your use case, a clear description, sample messages and how people opt in.
Carrier Review
Carriers review your campaign. Once approved, you link your phone numbers and start texting.
Does Your Business Need A2P 10DLC?
- You text customers from a local 10 digit number
- You use a CRM, booking tool or SMS platform
- You send reminders, alerts, updates or offers
- You want fewer blocked and filtered messages
How to Register for A2P 10DLC
You share your business details once. We handle the rest, from registry submission to carrier approval.
Share Your Details
Send us your business details, website and how you text customers.
We Prepare and Submit
We write your brand and campaign and submit them to The Campaign Registry.
Carrier Review
Carriers review your campaign. Most reviews take a few business days.
Get Approved
Link your numbers and start sending compliant texts.
Get Registered for $50
Complete A2P 10DLC verification, done for you. Or verify ten businesses for $399.
Single Verification
$50
per verification, paid once
For one business that needs carrier approval to text its customers.
- Brand registration with The Campaign Registry
- Campaign registration with use case and sample messages
- Opt in, privacy policy and STOP and HELP review
- Fixes and resubmission until approved
10 Verification Pack
$399
10 verifications, $39.90 each
For agencies and multi location businesses verifying several brands. Just $39.90 per verification.
- Everything in Single Verification
- 10 verifications for your clients or locations
- $39.90 each instead of $50, you save $101
- Fixes and resubmission until each one is approved
Registration and carrier fees are charged separately by your SMS provider.
A2P 10DLC Questions Answered
What does A2P 10DLC stand for?
A2P means application to person and 10DLC means 10 digit long code. Together they describe business texts sent from software using a standard local phone number.
Is A2P 10DLC registration required?
Yes. Since February 1, 2025, major US carriers block business texts sent from unregistered 10DLC numbers.
What do I need to register my brand?
You need your legal business name, EIN, business address, business type and website, all matching your official records.
What is a campaign?
A campaign describes why you text customers. It includes a use case, a description, sample messages and how people opt in to receive texts.
How long does approval take?
Brand checks are often quick. Campaign review by carriers usually takes a few business days, and longer if changes are requested.
Ready to Register Your Business for A2P 10DLC?
Get your brand and campaign approved with expert help for a flat $50 per verification.
