Phoenix has a wide range of billboard inventory, predominantly on roadsides, to help you reach your driving audience - thanks to Lamar, Clear Channel Outdoor, and Outfront Media. But if they're on foot practically anywhere in the city - you could reach them via Orange Barrel Media's IKE network of Urban Panels, too.
Like Google or Meta ads, I'm an self-service ad platform.
All you have to do is make an account to get started.