SMS Delivery Delays and Failures from Twilio Numbers to Telefonica O2 UK

Incident Report for Twilio

Resolved

Twilio SMS was degraded for ~ 90 minutes between ~ 04:16 and 05:42 Pacific Time on 23/04/2026. During this period of time customers may have experienced intermittent delays delivering SMS to Telefonica O2 network in UK. The issue has now been resolved.

Posted Apr 23, 2026 - 08:44 PDT

This incident affected: CARRIER NETWORK (SMS, Europe).