Definitely a scammer in spite of the initial "this is not a solicitation call."
Credit card scam.
No one talked when picked up
Credit Card SCAMMERS on 406-686-9677!! Offering fake Credit Card Services (Lowering your credit rates/Monitoring your Credit Card activity/There is nothing wrong with your card but...and etc), but actually they phishing for your REAL CREDIT CARD NUMBERS! BEWARE! Number 1-406-686-9677 are SCAMMERS!
Left no msg possible spammer
Unknown caller. Left no message.
Just some fool