Siri needs a lot of work. I work on a college campus. Yesterday I asked Siri to "remind me to go to room three hundred one" at a certain time. She had "300 one". I mean, sure, I knew what she meant. And the reminder was good enough to remind me. But....
You could just say "Three Oh One" you know. I can see where most AI might get confused over the specifics of numbers even if they understand the context.