10DLC, or "10-digit long code," refers to a specific type of phone number used for messaging within the United States. This system was introduced by wireless carriers to offer a more efficient and compliant way for businesses to engage in text messaging with their customers. Prior to 10DLC, businesses primarily used short codes (5-6 digit numbers) or toll-free numbers, but these systems had limitations in terms of volume and reliability.

The 10DLC system provides businesses with a long code (a regular 10-digit phone number) that supports high-volume messaging while maintaining the advantages of scalability and reliability. It allows for transactional, marketing, and customer service messages, providing a seamless communication channel for businesses. With the increasing popularity of SMS marketing, 10DLC is a crucial development in the industry, ensuring that businesses can 10DLC connect with customers while staying compliant with regulations.