Why is 10DLC being introduced?

Major carrier networks in the US like AT&T, T-Mobile and Verizon are moving away from unsanctioned long codes and are launching 10DLC as a sanctioned A2P messaging service. The new sanctioned environment will offer reliable A2P messaging with throughput levels suitable for large SMS campaigns and business requirements. 10DLC is only used in the US, supports both transactional and promotional messaging, and can include any US area code.

This change will also improve deliverability as 10DLC allows for higher messaging throughput than P2P (person-to-person) long code traffic.


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