In total expert found 426 unique codes, which might be useful to everyone and tested by the expert. Even though tested, but still advice to use it carefully. It might can help adding some extra resources/items to you or some code might be fully redeemed.
Anyway, enjoys your ingress in total safe condition and follows all the local rules and regulation.
Here’s the spreadsheet for anyone wondering: https://docs.google.com/spreadsheets/d/1msISnsVfZ5etBGK-EBRHzIY5GVDhkOk6PqHS8nyk7cs/edit?usp=sharing
And here’s the list of working codes in case anyone finds these useful:
hdbc3re2dp43quum (This one has 4 x circle-K power cubes in it, no idea what they are but that seemed interesting)