Outage in Zipwhip

SMS Delivery Delays to H3G in United Kingdom of Great Britain and Northern Ireland from Subset of Long Codes

Minor
November 28, 2025 - Started about 8 hours ago
Official incident page

Incident Report

We are experiencing SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

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Latest Updates ( sorted recent to last )
MONITORING about 1 hour ago - at 11/28/2025 05:11PM

We continue to experience SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland from subset of long codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

MONITORING about 2 hours ago - at 11/28/2025 04:13PM

We are experiencing SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland from subset of long codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

MONITORING about 4 hours ago - at 11/28/2025 02:17PM

We are observing recovery in SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland.. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 5 hours ago - at 11/28/2025 12:56PM

We continue experiencing SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

INVESTIGATING about 7 hours ago - at 11/28/2025 11:10AM

We continue experiencing SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING about 8 hours ago - at 11/28/2025 10:32AM

We are experiencing SMS delivery delays when sending messages to H3G in United Kingdom of Great Britain and Northern Ireland. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

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