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A2P 10DLC Registration: What US Businesses Need to Know
If your business wants to send SMS in the United States, sending the message is only half the job. The other half is registration. For most businesses that send texts from local 10-digit numbers through an app or platform, that means A2P 10DLC registration: first the business, then the campaign, then the numbers tied to that campaign. It may feel like paperwork, yet it exists for a reason. Carriers want to know who is texting, what kind of messages are being sent, and whether people actually agreed to receive them. That process helps cut spam, lowers filtering for approved traffic, and gives legitimate senders a cleaner path to inboxes.
Written byEmily Henderson
Published onApril 7, 2026
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