No one there when I answered. They don't leave a message. When I call back, it won't work. I've now blocked them.

Same old "Windows Service" scam..  Blocked the area code.

This caller also calls from Grapevine, TX. Never leaves a msg or answers the phone.

i just got a phone call from this number he said he was calling about a loan i applied for i told him i did not apply for know loan then he said i applied for a credit card i told him i did not i told him it was a scam he told me it was not a scam i told him never call here again he sounded like he was mexican i had a hard time under standing him

Called me this afternoon.  I usually don't answer unknown numbers, but decided to try this time.  No response from the other end.  When I called the number back, got a recording that it is a non valid number, with an error message of message 7, switch 423.