Only high price phones work on cdma and you can get reasonable price phones if in gsm area. If having to pay Iphone prices for cdma area where I live just as well get an Iphone and the carriers they work on.$300.00 is tops for a reasonable phone to work cdma not the $800 to $1000 phones.
Republic is working to make the Moto G7, G7 Play and G7 Power compatible with the CDMA partner, and hopes to have that done in the next few weeks.
In addition, there are phones you can get from 3rd parties that meet your requirements. Specifically from Amazon: Moto G6 Prime Edition, Moto G6, Moto G6 Play Prime, Moto G6 Play, and Moto X4 Prime Refurbished