The outage appears to be due to a problem with networking company Cloudflare. The firm says that it has identified a route leak that impacted service and has been working to fix the issue. Over 16 million sites use Cloudflare, so an outage there is bound to create chaos online.
Networking firm Cloudflare has a problem that has taken down many wireless firms today
Some of the outages started clearing up before 9 am, but it would seem that based on the most recent information, the four major U.S. carriers are still experiencing problems. We have requested more information from T-Mobile, Sprint, and Verizon and as soon as we hear back from them, we will let you know. Google did inform us that all of its systems are now “operating properly.”

Verizon customers are experiencing issues today
This is a developing story and will be updated throughout the day.
Alan Friedman