Yes unfortunately once you give out your number for any business you are releasing your number to others who will use it to solicit or scam you. In this case, the people you did business with did sell or release your number or possibly information to other telemarkers. Play a trick on them...tell them it is a wrong number, this is a business number or tell them something that will eventually have them stop...if not, just ignore their calls even though this doesn't make them stop....I have fun sometimes with these people because I play tricks back on them....
Got a call from this number 11/19/2013, at 3:44 pm. Says New York on the caller ID. It was a person. I just hung up as soon as they started their pitch.
I got a call from this number but didn't answer. Interesting that it is from someone claiming to be from Microsoft because I've gotten the same call only from different phone numbers.