Att Nationwide Outage 2024 News. The outage, which occurred during testing of portions of at&t’s 911 network, impacted calls in parts of illinois, kansas, texas, and wisconsin. Cnn — at&t says it has resolved an outage that left some customers in the dark on tuesday.

The at&t outage came one day after the federal communications commission announced a $950,000 settlement with at&t to resolve an investigation. At&t says it has fully restored cellphone service to tens of thousands of customers in cities across the country whose phones lost signal overnight, causing.