ONCE AGAIN...i kinda lost my phone where could it be i need it RIGHT NOW!!!?!?!?!?!?!?

i'm going on a trip w/ my family and i can't find my phone. If i don't have my phone then i can't txt and call people on my trip and i'll go crazy and not have a good time so WHERE COULD IT B?? i've check in my room, under the sheets of my bed, and my sister's bed. Under the cushions on every couch, in the sinks, the fridge...i KNOW Its not at school because i lost it monday night and i nvr braught it to school that day so it couldn't be there so PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!…