SPOILERS LANE'S ROUTE 1: PHONE NUMBER 4
you need to first pass the two scenes of both the ''Lame ass coworker'' tag and the bathroom towel one, after, you go outside, click on all of the notes outside his door (I also clicked the painting just in case), then you should be ablo to click on the right of the screen the door of Lane's neighbour, talk to him, then go back inside and click on the table, then on the elegant dish. You will then be able to go upstairs and talk to his upstairs neighbour. After that conversation on the hallway upstairs there's a newspaper on the floor, there you click it and search the sweel leash motors phone number, click it, and you got it :>