Recorded message regarding "MY" credit cards - offering a lower interest rate.  Option to "press #1 to speak to customer serv rep" or "press #2 to no longer rec'v calls".  Have pressed #2 numerous times.  Have spoken with customer serv rep requesting my number be removed from list several times.  One cust serv rep used profanity to call me stupid for not pressing #2.  Caller ID shows "Unknown Caller".  Last six digits of phone number changes regularly.