← Back to Twilio History
minor✓ Resolved

SMS Delivery Delays from a Subset of Twilio Alphanumeric and Long Codes to MTN Zambia

Twilio•Mon, Aug 3, 2026, 06:52 PM
Status
resolved
Duration
10h 22m
Updates
7
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedTue, Aug 4, 2026, 05:15 AM
This incident has been resolved.
monitoringTue, Aug 4, 2026, 05:04 AM
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric and Long Codes to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.
monitoringTue, Aug 4, 2026, 01:03 AM
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric and Long Codes to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
monitoringMon, Aug 3, 2026, 11:03 PM
We have observed a recovery in SMS delivery from a subset of Twilio Alphanumeric Sender IDs and Long Codes to MTN network subscribers in Zambia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedMon, Aug 3, 2026, 09:54 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric and Long Codes to MTN network subscribers in Zambia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
identifiedMon, Aug 3, 2026, 07:54 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric Sender IDs and Long Codes to MTN network subscribers in Zambia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
identifiedMon, Aug 3, 2026, 06:53 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric and Long Codes to MTN network subscribers in Zambia. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
investigatingMon, Aug 3, 2026, 06:52 PM
Twilio customers may be experiencing SMS delivery delays from a subset of Twilio Alphanumeric and Long Codes to MTN network subscribers in Zambia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
426bec67-b853-48d6-828a-41ad40509eaa
External ID
lv552hh824n1
🕐 Started
Mon, Aug 3, 2026, 06:52 PM
🔄 Last Updated
Tue, Aug 4, 2026, 05:15 AM
✓ Resolved
Tue, Aug 4, 2026, 05:15 AM
MINOR
Impact Level
10h 22m
Total Duration
7
Status Updates
Affected Components
SMS, Middle East & Africa
REQUEST COVERAGE
No article has been written for this incident yet. When 100 people request coverage, we automatically generate one.
0 / 100 requests100 more needed