Here is the context, a girl comes to Washington D.C. from a small town, a kind neighbor welcomes her and tells her to call her roommate Masha.
Remember to call Masha at work.
I am aware that "at work" means Masha is doing her job at her workplace.
I cannot understand why the new come have to call her roommate at work. Could someone please explain a bit?
The context comes from VOA Learning English.