No number shown on caller ID, only the words "incoming call." Obviously they are trying to hide their identity. I don't answer calls from cowards. I did *69 and learned the number. Glad I didn't answer.
"...credit card account. It appears that you are now eligible for interest rates as low as 6.9%. However this offer is about to expire. So if you still owe at least $4000 or more in total credit card debt and would like to be qualified for a lower rate, press 1 now."