As someone who was born abroad, the red phone box is something that I always associated with Britain. At the same time, despite being 'only' 33, I actually did use phone boxes as a child. Mostly one that was across the street from where I lived. And kids in Italy used to collect phone cards as Telecom Italia, our version of BT, often released limited edition designs.

The last phone boxes: broken glass, cider cans and – amazingly – a dial tone
https://www.theguardian.com/society/2022/apr/28/last-phone-boxes-bt-payphones-uk?CMP=Share_AndroidApp_Other