Verizon, Sprint, T-Mobile, and AT&T are all down in some parts of the US. Widespread outage as customers report trouble making calls

All major wireless carriers in the United States were suffering widespread outages on Monday.

Verizon, AT&T, T-Mobile and Sprint users all reported issues from coast-to-coast.

Down Detector, a website that tracks outages, has received hundreds of thousands of complaints from wireless users, including phone call connection issues and social media browsing.

A possible cause for the problem was not immediately clear.

WIDESPREAD OUTAGE: Verizon, T-Mobile, Sprint and AT&T All Down In Parts of US

Here's What We Know >> https://t.co/XwiRIDYcmb pic.twitter.com/bPF0BJwLFX

— Breaking911 (@Breaking911) June 15, 2020