Zoom Phone maintenance, October 2026: Announcing IP Address Changes: November 6, 2026 (No Operational Impact)
Zoom Phone is reporting planned maintenance: Announcing IP Address Changes: November 6, 2026 (No Operational Impact). It is still open.
MMaintenance
From Zoom Phone's official status page, in their words.
What happened
- Started
- Status
- scheduled
- Duration
- 28 days so far
- Impact
- maintenance
- Affected
- Zoom Meetings, Zoom Contact Center, Zoom Phone, Zoom Webinars
- Window
- 7 Nov 2026, 6:59 pm to 7 Nov 2026, 7:00 pm
- Scheduled
- In progressnot yet
- Completednot yet
Why it happened
Zoom Phone has not given a cause yet. We never guess one.
Timeline
Newest first. From Zoom Phone's official status page, in their words.
- scheduled
The published IP ranges for Zoom Meetings and Webinars, Contact Center, and Phone services have been updated, including the removal of decommissioned entries and mask changes. We recommend that network administrators with Zoom-specific firewall or network rules update their systems as soon as possible. Removed IPv4 addresses for Zoom Meetings and Webinars: 3.235.96.0/23 69.174.108.0/22 New IPv4 addresses for Zoom Meetings and Webinars: 3.235.96.26/31 3.235.96.158/31 69.174.110.0/23 Removed IPv4 addresses for Zoom Phone: 8.5.128.0/24 69.174.108.0/22 New IPv4 addresses for Zoom Phone: 69.174.110.0/23 Removed IPv4 addresses for Zoom Contact Center: 3.235.96.0/23 New IPv4 addresses for Zoom Contact Center: 3.235.96.26/31 3.235.96.158/31 For a complete list, please see: https://assets.zoom.us/docs/ipranges/Zoom.txt https://assets.zoom.us/docs/ipranges/ZoomMeetings.txt https://assets.zoom.us/docs/ipranges/ZoomPhone.txt https://assets.zoom.us/docs/ipranges/ZoomPhone-TCP443.txt https://assets.zoom.us/docs/ipranges/ZoomPhone-TCP5091.txt https://assets.zoom.us/docs/ipranges/ZoomCC.txt https://assets.zoom.us/docs/ipranges/ZCCFlowScriptCallWidget.txt A complete list of network firewall IP ranges and domains for Zoom can be found on the Zoom Support site at: https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0060548
What this means for a business
- Divert the main number to a mobile if your provider's app or portal still works.
- Put the mobile number on your social pages and voicemail.
- For internet, a phone hotspot keeps the terminal and email running.
The full guide: what to do when a service you rely on is down
Other Zoom Phone incidents
- Service Degradation Affecting Outbound MMS Services in the US region, resolved after 7.9 hours
- Zoom Phone Maintenance: EU02 - FRA4 Data Center: November 30, 2026, maintenance scheduled
- Zoom Phone India Maintenance (Mumbai) : December 04, 2026, maintenance scheduled
- Zoom Phone India Maintenance (Hyderabad Data Center): November 20, 2026, maintenance scheduled
- Zoom FileServer Release: November 03, 2026 (No Operational Impact), maintenance scheduled
Hear about the next Zoom Phone incident as it starts
Free email alerts when the official status changes, with what to do while it is down.