My LL4 has a private 15 minute meeting scheduled for tomorrow with each team member. During the meeting, you will find out you fate. Everyone will be paid through the end of May. You have the choice of leaving after the meeting or working until the 31st. You get paid for the time either way. If you do not want to pack up you desk, your manager will do it later ship the items to your home.
It is different for Agency. You may get a call at home and the personal items in you desk will be shipped. It is also possible a rep from your Agency will come to you office to deliver the news in person. I've seen it happen both ways in the past