I get this same call about once a month. Sometimes the incoming number is blocked, sometimes it's not. The callback phone number in the message frequently changes, but the rest of the message is always exactly the same. Here's the most recent:

Hi, My name is Kevin, and I'm in the carpet upholstery cleaning and docked invent cleaning business. We're trying to increase our customer base in the area and to do so we're offering some seasonal specials on both Ducked invent and dryer vent cleaning as well as carpet and upholstery cleaning if we could be of any help to you your family or friends. If you wouldn't mind call me back at 978-273-7974 our services also include snow plowing and removal of any kind of Chimney sweeping 4 sanding and refinishing and floor installation the stripping waxing of tile linoleum floors along with ceramic and grout cleaning. Window washing and gutter cleaning home improvement of any kind interior and exterior painting in dry walling and water and fire damage restoration so again if we could be of any help to you your family or friends. If you wouldn't mind call me back at 978-273-7974. Thank you so much for your time. We've got about 31 years into this and God bless you and your family.