It was a recorded message that gave option to hit another number to lower your credit card rate.  When I hit the number a very rude woman ended up hanging up on me

They call themselves "Card Services". The only information the rep would give me is that he was in Washington, DC. If you are on the National Do Not Call registry, please file a complaint against them. If you are on the registry for at least 31 days, companies, with no previous business relationship, are not suppose to call you.