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Outage in Zipwhip

SMS Delivery Report Delays to Verizon Wireless Network in the US for a Subset of Short Code and Toll Free number

Resolved Minor
October 30, 2025 - Started 5 months ago - Lasted about 11 hours
Official incident page

Incident Report

We are experiencing SMS delivery delays when sending messages to Verizon Wireless via Shortcodes. 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 )
RESOLVED 5 months ago - at 10/31/2025 09:08AM

We are no longer experiencing delivery reports delays to Verizon Wireless network in the US for a subset short codes but also toll free numbers. This incident has been resolved.

MONITORING 5 months ago - at 10/31/2025 07:19AM

We are still observing recovery in delivery reports to Verizon Wireless network in the US for a subset short codes but also toll free numbers. 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.

MONITORING 5 months ago - at 10/31/2025 05:32AM

We are observing recovery in delivery reports to Verizon Wireless network in the US for a subset short codes but also toll free numbers. 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.

MONITORING 5 months ago - at 10/31/2025 03:32AM

We are observing recovery in delivery reports to Verizon Wireless network in the US for a subset short codes but also toll free numbers. 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.

MONITORING 5 months ago - at 10/31/2025 01:32AM

We are observing recovery in SMS delivery delays when sending messages to Verizon Wireless via short codes. 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.

IDENTIFIED 5 months ago - at 10/30/2025 11:32PM

We have identified that this incident is impacting Delivery Reports to Verizon Wireless Network in the US for a Subset Short Codes but also Toll Free numbers, we can confirm that Message delivery is not impacted, just delivery reports. Our engineers are working with our carrier partner to verify improvements and followup with providers. We will provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 5 months ago - at 10/30/2025 11:27PM

We have identified that this incident is impacting Delivery Reports to Verizon Wireless Network in the US for a Subset Short Codes but also Toll Free numbers, we can confirm that Message delivery is not impacted, just delivery reports. 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 5 months ago - at 10/30/2025 10:55PM

We are still experiencing SMS delivery delays when sending messages to Verizon Wireless via Shortcodes. 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 5 months ago - at 10/30/2025 10:05PM

We are experiencing SMS delivery delays when sending messages to Verizon Wireless via Shortcodes. 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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