So, you will be making the best decisions now for yourself with the information you have. Volunteer work is a great way to explore careers. You also need to list what you want to gain from the experience and rank order those gains. As you inquire about potential volunteer work, rank each place and then compare them all. Pay attention to how much training and supervision you receive because that will impact your knowledge and the credibility others will give your experience.
Many places let people shadow.
Contact agencies and companies as stated above. However, would like to obtain a job before I move. How can I go about this. Obtaining a job across the country can be difficult. If you know people in Phoenix, it is easier.