Here's my issue - I created a variable on the first screen and initialized it to an empty list. I then had a text box and a button, the user can enter data (Data is a ZipCode) into the text box and then hit the button to add it to my list. On my second screen I have a map. I want to pull that zip co…

I did it, for anyone in the future who reads this and needs to know how the code is shown below. [Screenshot 2025-05-28 12.04.56 PM] Address is the location sensor, location is the map, address 1 enabled doesn't need to be there, but it is the button, and textbox3 is the textbox where you enter y…

How do I set up my map to pull data (from a zipcode or an address)?

MIT App Inventor Help

ABG May 26, 2025, 6:53pm 20

Here's your Comma Separated Values (CSV) table, from @SteveJG's link:

US20Codes20201320Data.txt (906.3 KB)

Here are some sample projects that load tables from the Media folder and do lookups: