---
id: "INC-twilio-km5dmfj8blwk"
kind: "incident"
aliases: []
title: "Twilio: MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States"
severity: "medium"
cvss: null
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "Twilio", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["incident", "ops", "sms", "twilio", "vendor"]
not_affected_if: []
published_at: "2026-10-29T00:51:03+00:00"
first_seen_at: "2026-10-29T00:53:19+00:00"
updated_at: "2026-10-29T01:57:37+00:00"
sources: [{"source": "statuspage", "url": "https://stspg.io/vn6l6s97s1tz", "first_seen_at": "2026-10-29T00:53:19+00:00"}]
---

# Twilio: MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States

## Affected

- vendor:Twilio affected ? fixed ?

## Timeline

- 2026-10-29T00:53:19+00:00 statuspage https://stspg.io/vn6l6s97s1tz

## From the sources

Twilio customers may be experiencing MMS delivery receipt delays from a subset of Twilio Short Codes to T-Mobile network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. Message delivery may succeed, but delivery receipts may be delayed. We will provide another update in 2 hours or as soon as more information becomes available.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_