Get your cell phone unlocked. If you have a tri-band or quad-band phone, be sure to get your cell phone unlocked well in advance of your trip. This will allow you to stop in a local phone store such as Orange/France Telecom, SFR or Bouyges where you can purchase a SIM card to use while you’re in town.
You can add telephone hours by stopping in at a tabac or a newstand and purchasing a ‘Mobicarte’ from 15 to 25 Euros. It’s also possible to rent phones in the US before you leave home.
French mobile phones work on the GSM frequence.
You may find that having your own cell phone is less frustrating than using hotel phones or public pay phones. Even if you do choose to go with the payphone, you will want to have either your credit card handy or a ‘carte cabine’ which you can purchase at most newsstands.
>> More on How to Make a Phone Call in Paris
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