Like the Sonata PHEV, the IONIQ PHEV will be sold nationwide.
However, like the Sonata, it will be stocked in California and other CARB compliant states, but will be a special-order type vehicle at other dealerships across the country unless a specific dealership chooses to stock the vehicle.
Still better than most other EVs that are only available in compliance states!
At least Hyundai says the hybrid IONIQ and 100% electric version will be readily stocked nationwide...
Here's Hyundai USA's current availability graphic: