A2P 10DLC
The carrier registration system for businesses sending application-to-person text messages from a 10-digit local number.
A2P 10DLC stands for Application-to-Person 10-Digit Long Code, the carrier registration framework that allows businesses to send SMS messages from a standard local phone number. Major US carriers require every business sending texts to customers to register a brand and a campaign, and carriers review the business's privacy policy and consent language during that process. Proper registration improves message deliverability and prevents filtering, while missing or incomplete registration can cause texts to be blocked entirely. Our systems handle A2P registration and compliance, including the required SMS consent language, for every client sub-account.
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