What does it mean ina dream, i was locked with a group of people i know in a room n a high pitch whistle blows?

Then a swarm of real big flies come in n and attack us. We break down the door and one of my friends is on the phone with another friend calling for help. I snatch the phone and the friend is just casually giving me this number 2354177!?!? What cld the dream mean please thanks