I have done some research! The number (774)-233-6001 is related to Google, specifically the Googles' Internet Profit House. If you get a phone call from this number it takes a while for the call center representative to respond to you, so be patient. Once you get a "hello" and they begin talking, simply interrupt let them know you are not interested and asked to be put on the do not call list.
If you try to call this number back it will show out of service. However, if you miss the call and do not recieve another call from them then simply call the Internet Profit House at 877-340-4694, available Monday thru Friday 9:00AM to 9:00PM. They will ask for your account number, name, etc. Do not give it right away. Ask for a supervisor, let them know you get calls at all hours of the night and you want your phone number removed or put on their do not call list.
If they give you a hard time just let them know that you are only asking once and if it is not done you will continue to call and bother the call center reps just like they do to you on your time.
I've been receiving calls from this number for the past few days as well. I just tried the suggestion of calling the 877 number listed above and told them that since I was on the do not call list I considered it harassment and would contact the police. They quickly agreed; I'll post again if it turns out it didn't work. Good luck everyone!
My beloved has been getting calls also, on his cell, never any answer or message. Traced it to find no info, I traced it today (after a second call) and got a Landline in Needham. I thought the 774's were Cellphone Exchanges for MA? Ah well.. for grins I searched it outright and found this page, Thank you EVERYONE! Now when they call back (i'm betting an hour and 45 min) I'll wait. and Wait, so I can chew them out, and point out their HORRIBLE call center skills, and demand to be taken off the list.