The national pickleball community is growing faster than the population of qualified referees can manage. The founder of The Southern Pickleball Academy is a nationally certified USA Pickleball referee trainer. He can help get you started on your way to being front row and center court to the best pickleball in the world AND you get paid! Classes are held regularly.
Here are some helpful training materials to get you started.
Finally, here is a small book Ben wrote to help with sticky situations while refereeing.
Contact Ben here and see where you can take yourself.
You can also visit the USA Pickleball website to begin your journey.