Outage in Zipwhip

SMS Delivery Delays from a Subset of Twilio Short Codes to Onvoy Spectrum Mobile United States

Resolved Minor

October 09, 2026 - Started about 8 hours ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Zipwhip experienced a ~3-hour incident where SMS delivery delays were suspected from a subset of Twilio Short Codes to Onvoy Spectrum Mobile subscribers in the United States. Investigation concluded that no actual customer impact occurred and all systems were functioning normally throughout. The incident was resolved with services confirmed operating normally.

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum 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.

Trusted by 1,000+ teams

The Status Page Aggregator with Early Outage Detection

Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.

Start Free Trial Learn More

Latest Updates ( sorted recent to last )

RESOLVED about 5 hours ago - at 10/09/2026 03:50PM

The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Onvoy Spectrum Mobile network subscribers in the United States is operating normally.

IDENTIFIED about 5 hours ago - at 10/09/2026 03:42PM

We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

INVESTIGATING about 7 hours ago - at 10/09/2026 02:05PM

Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Onvoy Spectrum 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.

INVESTIGATING about 8 hours ago - at 10/09/2026 12:59PM

Latest Zipwhip outages

SMS Delivery Delays from Twilio Alphanumeric Sender Type to Telenor Norway - about 8 hours ago

SMS Delivery Delays from Twilio to TIM and Noverca Italia Srl Italy - about 10 hours ago

SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China - about 14 hours ago

SMS Delivery Failures From a Subset of Twilio Alphanumeric Sender Type to Moov Côte d'Ivoire - about 24 hours ago

SMS Delivery Delays from Twilio to Verizon United States - 1 day ago

The Status Page Aggregator with Early Outage Detection

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6320 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook