Orders placed in the US for US delivery get build in Carlsbad. Either direct through My Titleist or through a dealer can give you as estimated build date That includes what Titleist expects for any item in low inventory.
Your safest option is to order through US and setup a delivery stateside - to a relative or trusted friend? Can’t speculate what would happen if the order went through a non-US build location. Especially if back-ordered and shipped after you returned stateside.

I got fitted by a local fitter here in oklahoma. Found him on the Titleist website. What o don’t like is not having the information to track the order or info on if something is back ordered. I got the (2021) T-100 Left Handed with a 2 degree upright lie. Dynamic Gold Stiff Shaft. Tour velvet grip. All the fitter did was text me and said “order placed, 10-14 day delivery”. My curiosity got the better of me and i started trying to confirm that i could trust the delivery date. Titleist can’t tell me anything because I don’t have the CO#. I did email Titleist customer service. Didn’t want to wait so i called them too. Told them the specs of my order and was told that I shouldn’t have an issue. Nothing looks to be backordered.

The next day i get a response to my email.. That person told me nothing i listed as my specs was in-stock.. I have no idea what to think now.. Fitter is hard to get any information from. I about to cancel the whole order and just buy a set of used clubs and forget about the 2 degree lie adjustment.