Claims they are ERS - Enterprise Recovery Systems (sounds like a debt collector). They asked for some Mark guy (who doesn't live here). When I asked what they want with him, they just hung up.

Collection agency advisory.  They are calling from this number in reference to a college in Orlando FL.

I don't know who these people are or what they want considering I have no debt. I've had calls at least three times a day and when I do answer the people are always super rude and hang up on you. Have no customer service by any means. Completely disgusting. This whole company can go [***] themselves