- Retire T‑Mobile A2P 10DLC warning error codes 30025, 30026, and 30027 on May 21 2026; they will no longer appear in API logs, webhooks, or email alerts.
- Customers must remove any webhook or monitoring logic tied to these codes before the deprecation date.
- Continue using error code 30023 or Twilio Messaging Insights to monitor daily cap usage.
T-Mobile A2P 10DLC Daily Limit Warning Error Codes 30025, 30026, and 30027 Being Decommissioned
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