I love these and wish they were used more by command line applications. For instance in GCC, when your terminal supports them, compiler diagnostic flags are clickable and something like "warning: address of local variable ‘a’ returned [-Wreturn-local-addr]" can be clicked to open the GCC documentation for that flag.

Ok but that only fetches the codes from the US, so now a non-US resident will start with their zip code and end up with random ass place on the other side of the globe. Now not only I still have to fill in the fields, but also clear them first.