Check the Consistoire website for restaurants supervised by Paris beth Din. Go under "cacherout" then "les commerce". Plus in Paris for "par Ville".
Http://www.consistoire.org
The last 2 digits of the postal code (750XX) correspond to arrondisement. Though both 6eme and 14eme are on the Left Bank, and I think you'll have more choices of kosher restaurants on the Right Bank.