No need to add All ZipCode if you select states.
You can select “All” from “State Selection” and get all state of selected zone.
If you want to include the specific Zipcode from that state then you can use include ZipCode on Allow Zipcode settings.
You can input in 3 ways combine. comma separated(2233,2234,2235) AND range based(2200=2250) AND starts with(AB3*) and length match(PA2*##)
If you want to exclude the specific Zipcode from that state then you can use exclude ZipCode on Allow Zipcode settings.
You have the option of selecting a specific zipcode from a specific state.