Assuming the US regions follow the normal state abbreviations, Nebraska should be "NE". Worked fine with most other states that I tested. <img width="583" height="125" alt="Image" src="https://github.com/user-attachments/assets/14b7b423-2615-4ec6-a304-1df97e470aa4" />
Assuming the US regions follow the normal state abbreviations, Nebraska should be "NE". Worked fine with most other states that I tested.