855-486-9403

Hung up after I picked up.

Tried to call back, but hung up as soon as it answere.

Yep same thing
Heard back ground noise such as paper rustling, others chatting as if it was a call center, but hung up as soon as I said hello 2nd time

I called back but a recording said, "Invalid entry" and hung up on me.

No message left and when I called back it picked up first ring and said invalid entry then disconnected :-/ no clue who they are or what they want so annoying!

Someone finally spoke to me on the other line and said they were from Comcast they already had some of my personal info with an offer for a promotion to upgrade my service. Thing is I just upgraded my service this week and dropped my payments so don't understand why they would be calling me again to offer me the same promotion!

Called my local Comcast to report their calls and they indicated it was a scam

received this call and was told more or less:
"I'm calling from Comcast to thank you for your loyalty.  I'd like to offer you some special offers to lock in your service for 2 years.  Can I ask you some personal information to pull up your account?"

This is a phishing scam and you should not give any one information over the phone if you did not place the call.

I didn't answer because I didn't recognize the number. No viocemail. This number has called at least one time a day for the last 4-5 days.

This number keeps calling never leave a message