This dates from 2008 but it appears you may be out of luck for a little while - I checked a couple of the operators' websites and couldn't see anything that indicated they had 3G coverage yet. GPRS / EDGE may be an option though.
http://www.arcep.fr/index.php?id=857...sactualite_pi1[uid]=1032&tx_gsactualite_pi1[annee]=&tx_gsactualite_pi1[theme]=&tx_gsactualite_pi1[motscle]=&tx_gsactualite_pi1[backID]=26&cHash=76eb49f538