Pete - Please file a complaint with the FCC, PUC of California (that's where they are based) and the Atty General of California. Below is info you will need to properly identify them to the authorities.
Company calls themselve "Account Services" aka "Card Services" Guilty of robotic autodialer calls with pre-recorded messages of lowering your credit card interest rate. SCAM.
Lastest one to hit is coming from the phone # 360-529-6190 which I have researched and confirmed is owned by PacificTel a company owned by Mr. Stephen Hamilton whose business address is listed at 12228 Venice Blvd. #559 Los Angeles CA 90066 and with a business direct line of (310) 895-0574. This address is in the scummy apartment area of East LA.
As mentioned DO NOT under any circumstances provide your credit card or bank information. If you really want to annoy them back play along. Read your CC # or bank account wrong numerous times in a row, give them the phone # for the FBI, waste their time.