Ok... so I am planning on applying at a few places on the West Coast, but I live in Pennsylvania. If I do get interviews at these places, do any of them have phone interviews or something where I don't have to travel across the country?
no, everyone travels for interviews.
make sure you save money for interview trips (or at least have few credit cards ready) because lot of times you will receive interview only in 2-3 weeks advance and plane tickets can become pretty expensive if you fly more than 5 times (i think i spent about 2-3k just for traveling for interviews)