How to contact Barclays Bank France

Am trying to submit a query to Barclays in France and are looking for postcode before I can submit message. No matter what "fake" numbers/letters I put in it wont accept it. I cannot find any other means of emailing them. Any suggestions please!
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Try 75005 (the Latin quarter in Paris). I just sent them an email from voltaire@pantheon.fr to alert them to the glitch.

DrMoriarty said:

Try 75005 (the Latin quarter in Paris). I just sent them an email from voltaire@pantheon.fr to alert them to the glitch.

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Fantastic DrMoriarty. Tks a mil. 75005 worked. You cannot believe the amount of variations I have already tried. Thank you so much.