Who called from 2049263172

CCA - Commercial Credit Adjusters, first time they've used this number,  left a message to call the usual number 866-958-5850.

received a call from 204-9263172 tried calling back but got a recording asking to leave a number, name and best time to call back so must be someone who does not want to leave any other information or say on their recording who they are???? strange

I have an unlisted number.
They called my parent's home (listed) and tried to get my number from them.
They wouldn't leave any information with them.

They left a voice message on my phone and I can confirm that this is a debt collector.

This is a debt collector number.