# Zoom: Service Degradation Affecting Zoom Phone Calls in China Region

> Zoom Phone inbound and outbound calls do not work correctly for numbers with the 86216043 prefix in Shanghai, China. Zoom reports the status as identified. Zoom works with its carrier on a fix.

- Provider: [Zoom](https://outages.live/zoom.md)
- Type: Incident
- State: identified
- Worst impact: Degraded performance
- Started: 2026-11-13 09:45 UTC
- Components: Calling (Inbound/Outbound), Zoom Phone - HONG KONG/CHINA - Calling (Inbound/Outbound)
- Official update: https://stspg.io/7s0ygj0dbwms

## Updates from Zoom

### identified, 2026-11-13 10:03 UTC

We have successfully identified the root cause affecting Zoom Phone calls for users with phone numbers that have a specific prefix in Shanghai China. Our team is actively working with our underlying carrier on a resolution, and we will keep you informed with timely updates as progress is made. Thank you for your patience.

### identified, 2026-11-13 09:48 UTC

We have successfully identified the root cause affecting Zoom Phone calls for users with phone numbers that have the 86216043 prefix in Shanghai China. Our team is actively working with our underlying carrier on a resolution, and we will keep you informed with timely updates as progress is made. Thank you for your patience.