(800) 441-0518 is a Bank/Credit Card Payment Reminder
This is not spam. It is really Amex
Getting a voicemail call every day from this number (800) 441-0518, claiming to be American Express - SPAM - DO NOT ANSWER and DO NOT Give out personal information.
Left message that it was not a sales/telemarketing call, and that they had an important matter to discuss. When I called the number back, an automated response asked me to confirm who I was with the last 4 of my social. I hung up. I chatted with American Express support on their website and they said it was not them.
Received a call from a human being from American Express. He asked to speak with one of my colleagues about his American Express card. I became suspicious as the caller ID showed 011-44-800 441 0518, which would indicate a call from the UK. I won't pass on the message.