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Twilio: SMS Delivery Delays from a Subset of Twilio Phone Numbers to Cellcom Israel

Twilio · twilio.comImpact: minorinvestigating2026-10-04 08:51 UTC

Public — what happened

Summary

Twilio reported on October 4, 2026 at 07:49 UTC that text messages sent from some of its phone numbers to people on the Cellcom mobile network in Israel might be arriving late. The company rated the problem as minor and said its team was looking into it. In a follow-up at 08:51 UTC, Twilio said the investigation was still ongoing, with no cause identified and no fix announced yet.

Timeline

Started — 2026-10-04 07:49 UTC
Last update — 2026-10-04 08:51 UTC
Ongoing at last check.

Source of record: provider status page. Summary written by SquidGrid from the provider’s published updates; times in UTC.

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