SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Multiple Networks in United Kingdom

resolved · 9 Jun 2026, 08:30

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

monitoring · 9 Jun 2026, 06:30

**2026-06-08T20:11:00.260Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T20:12:02.060Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T21:12:28.899Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available. **2026-06-08T23:12:49.150Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available. **2026-06-09T03:25:34.016Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available. **2026-06-09T05:28:52.681Z** — We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

identified · 9 Jun 2026, 04:26

**2026-06-08T20:11:00.260Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T20:12:02.060Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T21:12:28.899Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available. **2026-06-08T23:12:49.150Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available. **2026-06-09T03:25:34.016Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.

identified · 9 Jun 2026, 00:13

**2026-06-08T20:11:00.260Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T20:12:02.060Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T21:12:28.899Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available. **2026-06-08T23:12:49.150Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

identified · 8 Jun 2026, 22:14

**2026-06-08T20:11:00.260Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T20:12:02.060Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T21:12:28.899Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

identified · 8 Jun 2026, 21:12

**2026-06-08T20:11:00.260Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available. **2026-06-08T20:12:02.060Z** — Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to network subscribers on multiple networks in the United Kingdom. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.