Verizon offers mobile and landline communications services, including broadband internet and phone service, is currently facing an outage at many locations. Phoenix, AZ area is the most affected.
Verizon Outage Map :

Many users are experiencing no service (No internet, No calls, and No text) & they have taken the route of Twitter to express their concerns & ongoing issues. Have a look at a few comments down below.
@__bridgetstack @VZWSupport no cell service in Surprise, AZ????
April 10, 2020, 12:46 p.m.
@CherInPhx @VZWSupport I’m unable to make/receive calls. Is there an outage in Phoenix? Friends have same issue.
April 10, 2020, 12:45 p.m.
@Jana99300369 @VZWSupport @toolmandoug Wifi calling is not working for me either. I can FaceTime call but not audio call
April 10, 2020, 12:44 p.m.
@Jana99300369 @VZWSupport @toolmandoug Wifi calling is not working from me either. I can FaceTime but no audio calls
April 10, 2020, 12:43 p.m.
Official Update :
Verizon has officially addressed that there is an outage in the Phoenix, AZ area and it Could take up to 12 hrs to resolve. Check out the official statement below:
https://twitter.com/VZWSupport/status/1248652740974252033


