Sunnyvale, CA Comcast Outage Map & Live Reports
Live outage reports for Comcast and Xfinity internet, TV, phone, and WiFi service in Sunnyvale, California. Sunnyvale has roughly 154,236 residents in its coverage area. Reports below are submitted by Sunnyvale residents and shown on the map by how recent they are — red markers are from the last 48 hours, blue from the last 7 days, and green are older reports still on file.
Recent reports in Sunnyvale
Local coverage in Sunnyvale
This tracker covers the following zip codes in the Sunnyvale area:
About the Sunnyvale area
Sunnyvale, CA is tracked alongside nearby cities on this site, including Santa Clara, CA (about 3 miles away) and Palo Alto, CA (about 8 miles away). If you don't see enough local reports on this page yet, checking those nearby cities' pages can help confirm whether an outage is isolated to your immediate area or affecting the wider region.
Report an outage in Sunnyvale
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Frequently asked questions
Is there a Comcast outage in Sunnyvale right now?
Check the live map above for reports from Sunnyvale residents in the last 48 hours (shown in red) and last 7 days (shown in blue). You can also submit your own report if you are experiencing an outage.
How many people does this Sunnyvale tracker cover?
Sunnyvale, CA has a population of roughly 154,236. Every report submitted from within the Sunnyvale area, across all its zip codes, is reflected in the live map and stats on this page.
What zip codes does this Sunnyvale tracker cover?
Yes -- this tracker covers zip codes 94085, 94086, 94087, 94089 in the Sunnyvale area. If your zip code is in this list, reports from your area will show up on the map above.
How long does it take Comcast to fix an outage?
Most localized outages are resolved within a few hours. Larger regional outages affecting multiple neighborhoods can take longer, especially after severe weather. Check this page for updates as new reports come in.
What should I do if my Comcast service is down in Sunnyvale?
First check this page to see if others nearby are reporting the same issue -- if so, it is likely a network-side outage rather than a problem with your equipment. If you are the only one reporting it, try restarting your modem and router before contacting Comcast support.