HTC One have several variants but it's really hard to identify which variant is for a specific carrier or region. I think it would be very useful to gather all carrier/region - model code pairs. Later we can easily identify which exact model we talking about.
This is what I've found out so far:
International - 801e PN07110 (3G-only)
EU - 801n PN07110 (LTE)
T-Mobile USA - ?
At&t - PN07120, HTC 801a?
Sprint - PN07200 (LTE)
Canada - ?
Verizon - ?
Asia - ?
Australia - 801s (LTE)
Developer Edition - ???
This is what I've found out so far:
International - 801e PN07110 (3G-only)
EU - 801n PN07110 (LTE)
T-Mobile USA - ?
At&t - PN07120, HTC 801a?
Sprint - PN07200 (LTE)
Canada - ?
Verizon - ?
Asia - ?
Australia - 801s (LTE)
Developer Edition - ???