Who This Is For / When to Use
Use this article when setting up A2P registration for the first time or when a brand registration fails due to business information errors.
Before You Begin
You must have:
A valid EIN (U.S.) or supported Tax ID
IRS Form CP 575 available
A real, physical business address
Do not use a DUNS number.
Step 1: Open the Trust Center
Navigate to Settings > Phone Numbers > Trust Center, then start A2P registration.
[Screenshot: trust-center-business-profile02.png]
Step 2: Determine Profile Needs
Answer the qualification questions:
Is the business located in the U.S. or Canada?
Does the business have a Tax ID?
Your answers determine which brand types are available.
Step 3: Enter Business Details
Enter all fields exactly as shown on official tax documents:
Legal Business Name
Business Type
Business Registration ID Type (EIN)
Business Registration Number
Business Industry
Business Email
Website URL
Region of Operations
Critical: Every line above the address on IRS Form CP 575 must be entered as the Legal Business Name.
Step 4: Enter Business Address
Enter the address exactly as listed on the CP 575:
Country
State/Province
Street Address
City
Postal/Zip Code
The address must be a valid business location.
Step 5: Add Authorized Representative
Add a point of contact who can verify business details:
Name
Email address
Phone number
Job position
Limits apply:
One email address can be used for up to 5 brands.
One phone number can be used for up to 5 brands.
Common Issues and Fixes
Business Profile Rejected
Legal Business Name does not exactly match CP 575.
Address differs from tax records.
DUNS number used instead of EIN.





