Contacting the support team can be tricky, as LinkedIn does not offer direct contact.
Regardless, we are here to help you contact LinkedIn and get your issues sorted out.
First of all, make sure you have an existing and up-to-date LinkedIn account.
LinkedIn's support system works by sending tickets. These tickets will mobile number list consist of a questionnaire where you state your issue so you can be redirected to a specialized member of the support team.
When creating your ticket, make sure you save the link so that you can come back and check in on the status of your ticket.
From LinkedIn support page
Make sure you have signed in to your LinkedIn account
Access LinkedIn support page and click on “Create a support ticket”

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Once you've clicked, choose a category. Even if your problem falls under any of these categories, we recommend clicking on Other and describing your problem so that you are connected with a current member of the support team. If you click on pre-existing categories, chances are you're going to be redirected to related articles.
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Fill out and submit the form
Wait for the support team to reply. This will usually take between 24 and 48 hours
To make things easier and more specific, LinkedIn has created separate support teams for each LinkedIn product.