Users can enter an airport (by airport code or name) and see:

An airport code is a short code used to identify a specific airport.

It seems like that level of additional awareness about airport codes would be easy for Google...

If servers are in multiple different geographical locations they may be named by closest airport code.

It shares facilities and airport codes with the Misawa Air Base.

There are many reasons for airport codes that do not fit the normal scheme described above.

Other airport codes are similarly not immediately obvious in origin, and each have their own peculiarities.

Some airports are identified even in colloquial speech by their airport code.

The site also lets you calculate the distance and average flight time between any two airport codes.

We don't use airport codes to.