Some Verizon mobile customers said they were unable to make or receive calls, but the the company said the network has been restored.

Outage.Report's map shows the outage began at 9:04 a.m. and worsened throughout Monday morning, impacting more than 500 cities, including Detroit.

Verizon services are beginning to be restored after reportedly down across the country on Monday, Sept. 30, according to the wireless carrier. On its official X account, Verizon said it was working around the clock to fix the issue.