T-Mobile, AT&T, Sprint And Verizon Outages Slam California

LOS ANGELES, CA — Customers of the major cellphone carriers across the nation experienced ongoing service interruptions Monday afternoon. T-Mobile, Metro by T-Mobile, Verizon, AT&T and Sprint all reported outages hitting California hard.

Hundreds of thousands of customers — including those from San Diego to San Francisco — reported loss of service, according to the carriers and to the website Downdetector. The outages began hitting major cities across the country at about 9 a.m. in California. The T-Mobile outage lasted for roughly 13 hours.

T-Mobile's president of technology, Neville Ray took to Twitter to assure customers that service would soon be restored Monday.

“Our engineers are working to resolve a voice and data issue that has been affecting customers around the country. We’re sorry for the inconvenience and hope to have this fixed shortly,” he wrote.

Hours later, he announced the fix. Ray announced on Twitter just after 10 p.m., "Voice and text services are now restored."

Ray thanked customers "for your patience as we fixed the issues. We sincerely apologize for any and all inconveniences."

T-Mobile CEO Mike Sievert released a statement on the outage Monday night.

"This is an IP traffic related issue that has created significant capacity issues in the network core throughout the day."

City News Service contributed to this report.