SMS Registration for Resellers: What You Need to Know About TCR Requirements
14 November 2025With so many tools to communicate these days, is it worth it to rely on SMS?
We don’t even need to think about it: the answer is a resounding YES.
Text messages are a great way to keep a clear and open line of communication with clients.
But there’s a catch.
You can’t just send tons of messages to people as a business and expect no repercussions, right? In fact, many mobile carriers are tightening the rules on SMS messages to prevent spam and scammers from reaching (and annoying) customers.
To give you an idea of the scenario we’re dealing with: Americans reported over 90,000 spam messages only in the first quarter of 2025. That’s more than $163 million lost to scams and robotexts in three months!
Meaning, unregistered SMS traffic is at risk of being blocked by carriers and affects not only business operations, but also your margins.
Enter: The Campaign Registry (TCR) requirements. Below, you’ll learn everything you need to know to follow the registration process and be compliant.
What Is TCR and Why It Matters
If you want to send A2P (Application-to-Person) text messages in the U.S. using 10DLC (10-digit long code) numbers, you need to register your brand and campaign. So, keep in mind that TCR is not optional, but a prerequisite, especially if you’re managing client communications.

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