Customers reported another Verizon outage on Monday morning, according to downdetector.com.
The initial spike of problems happened around 6:45 a.m. C.T., the website showed.
Verizon has not put out a statement on the cause for the reported outage.
The problems were mostly reported on mobile phones. Chicago, New York City, Philadelphia were among the cities with the highest outage reports on Monday.
This is a developing story. Check back for updates.