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Twilio · Apps and SaaSOct 21, 2026, 17:10 UTC yesterday

SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone United States

MinorNot disclosedUpdated 7h ago
Oct 21, 17:10 UTCOngoing
Duration
Ongoing
Impact
Minor
Root cause
Not disclosed
Twilio, 90 days
542 incidents
Affected
SMS Short Code, North AmericaCARRIER NETWORK - SMS Short Code, North America
Status page

Final update

We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

Timeline

  1. Monitoring · Oct 22, 02:25 UTC
    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
  2. Monitoring · Oct 21, 22:20 UTC
    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
  3. Monitoring · Oct 21, 20:19 UTC
    We have observed a recovery in SMS delivery from a subset of Twilio Short Codes to Cellularone 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.
  4. Investigating · Oct 21, 18:11 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone 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.
  5. Investigating · Oct 21, 17:10 UTC
    Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Short Codes to Cellularone 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.

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