The telephone number 617 146 9853 appears in a scene in the movie the Equaliser. In this scene Robert McCall, a hitman played by Denzel Washington, is threatening a Russian mafia boss.
In the scene McCall has a pair of bloodied glasses belonging to the now dead henchman of the Mafia boss. Towards the end of the scene Wahshington, playing the hitman Robert McCall, hands the glasses over and they rest on a piece of paper with the telephone number 617-146-9853 written on it.