Will call window locations in each of the parks?

[loveysbydesign]

Which park is the best/easiest when it comes to using the GAD to get a 1 day tix and then using that 1 day tix to upgrade to multi-day tix??? And where are the will call windows located in each park?

 

[doconeill]

Which park is the best/easiest when it comes to using the GAD to get a 1 day tix and then using that 1 day tix to upgrade to multi-day tix??? And where are the will call windows located in each park?

The will call window will be one of the ticket booths at each of park entrances, or the TTC in the case of Magic Kingdom. If you are at the MK already (because you took a bus, etc.) then the will call "window" will either be the Guest Relations window to the right of the turnstiles (usually), or the small building near there (on busier days). There is an arrow on a pole that points in the right direction.

I don't know if there is necessarily one better than the rest. If I was guessing I'd avoid the MK entrance one, because it is also the GR location and there is likely to be more of a line.