Glossary/Email & Lifecycle/10-Digit Long Code (10DLC)
Email & Lifecycle
10-Digit Long Code (10DLC)
A standard 10-digit U.S. phone number registered with carriers for business application-to-person texting at moderate volumes.
By Brandon Mina·CEO, BrandPilot AI·Updated November 2026
Short answer
A 10-digit long code (10DLC) is a standard 10-digit U.S. phone number registered with carriers for business application-to-person texting at moderate volumes. Businesses register their brand and messaging campaigns before sending. 10DLC offers a local-looking number at lower cost than short codes, with throughput between personal numbers and high-volume short codes.