The number of cases peaked at more than 100,000 Monday morning, according to the website Downdetector. Users complained of being unable to make calls or send texts.

Thousands of Verizon customers reported widespread outages affecting access to phone calls, text messages and cellular data Monday morning. More than 100,000 customers nationwide were affected by the outage at its peak,

User reports for problems with Verizon, AT&T, and T-Mobile initially spiked on Downdetector.com, a site that tracks outages across platforms and services. None saw a higher outage spike than Verizon, which surpassed 100,000 outage reports around 11 a.m. ET.