10DLC Carrier Registration in Q4 2026: The State of Enforcement — and What a Ready Campaign Looks Like
The Q4-2026 state of US carrier enforcement on 10DLC — the completed H2 sanction sweeps, the TCR vetting posture shift from filing completeness to traffic verification, carrier-enforced versus aggregator-preemptive review, how the rejection mix changed since H1, and the readiness checklist A2P senders run before the next sweep.
- 10DLC
- TCR
- carrier enforcement
- A2P messaging
- campaign readiness
- industry news