Who called from 7182562487

I am an ATT customer and they have been calling me for about a week now. Same story.

I haven't answered but i have gotten 2 calls from this number.. fist time the number was 718-256-2487 1204.. second time 718-256-4287 1105.  I don't answer numbers i don't know.. and i haven't signed up for anything. But he keeps calling while I'm sleeping and its getting really annoying. And i don't get the extension numbers either.