I think a week navigo pass would work for my wife and I. But we would have to get digital passes on my I-Phone (and my wife has an android phone). But to get an account we would need a French phone number (since we can't get a Navigo card at CDG airport). How do I do get a French phone number and how much will that cost?
1 answer
You can research some travel SIM card/eSIM prices here: https://en.selectra.info/broadband-phone-france/guides/mobile/sim-card
If you can work with an eSIM, that might be installable / activated upon landing at CDG and you'll be able to create your IDF Mobilites account and purchase Navigo Week Pass on your iPhone / Android phone.