Puzzle Technology
← All incidents

SMS Delivery Delays from a Subset of Twilio Short Codes to T-Mobile United States

Minor · resolved · started 20 Aug 2026, 13:32 · resolved 20 Aug 2026, 17:08

Twilio

  1. resolved · 20 Aug 2026, 17:08

    Auto-resolved by the status page: the vendor stopped reporting this incident in their feed.

  2. monitoring · 20 Aug 2026, 15:06

    **2026-08-20T12:32:41.318Z** — Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-08-20T13:35:31.174Z** — Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available. **2026-08-20T14:05:10.957Z** — We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  3. investigating · 20 Aug 2026, 14:36

    **2026-08-20T12:32:41.318Z** — Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-08-20T13:35:31.174Z** — Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

  4. investigating · 20 Aug 2026, 13:34

    **2026-08-20T12:32:41.318Z** — Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.