Hi @Julie322,
I'm sorry to hear you are struggling to get hold of Airbnb Support. If you have a Facebook account you should be able to send Airbnb a direct message just by logging into your Facebook - you don't need to go via your Airbnb account so it shouldn't matter if your account is linked or not.
Your other option is via Twitter. If you don't already have a Twitter account, some hosts say it's worth setting one up just to contact Airbnb, as you normally get a quick response:
Step 1: Log into Twitter
Step 2: Search for @Airbnbhelp and choose "Follow" them
Step 3: Send a Direct Message (DM) explaining your issue and wait for their response. They may ask for information such as your listing but always provide it over DM so it is not public.
I hope you can get this resolved!
Kirstie