Who called from 3604601821

Wife just had a call from this number on her phone. No message left. Looking at the posts, it seems to be rampant today.

they left a message on my cell it's a recording about if i didn't have medical insurance to listen to the message. It's advertising.

Received the call too.  No message.

I just got a call from this number. I didn't answer b/c I didn't recognize the number but no message was left..

just recieved a call from this number @ 3:05 centreal time.  fl. no message was left so i can only assume it was someone not important and have nothing to do but to make annoying calls.