What Is A2P 10DLC?
Also known as: 10DLC
A2P 10DLC is the U.S. carrier registration system for application-to-person text messaging from local 10-digit numbers. Real estate SMS campaigns need it to reduce filtering risk.
A2P 10DLC is the U.S. carrier registration system for application-to-person text messaging from local 10-digit numbers. Real estate SMS campaigns need it to reduce filtering risk.
A2P 10DLC explained
A2P 10DLC matters because carriers now expect businesses sending texts from local numbers to register their brand and campaign use case. Wholesalers using SMS for seller outreach can face filtering, low deliverability, or platform restrictions if they ignore it. Registration does not make spam legal or guarantee delivery, but it is part of a compliant SMS setup alongside consent rules, opt-out handling, message quality, and list hygiene.
Example
A wholesaler registers their brand and SMS campaign before sending follow-up texts from HighLevel, reducing carrier filtering compared with an unregistered number.
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