Anyone know if there is a way to get to corporate for a shopper account help or what I should do to remove a ban I have from a store?

So about 2 years ago I was doing my like 500th Costco order from my local Costco and I decided hey this is my last batch of the day let me just grab these 2 items for myself real quick which literally took 1 min since I live like 15 mins away and don’t want to have to make the drive back since the delivery was headed literally right next to where I live. Anyways, I get to the cashier and I say oh this is separate that one is mine they’re like oh you cannot do that I was like oh well can we just let it through this time? They then call their manager who says I can’t do that and asks for my card and then proceeds to do something on the computer or god knows what and boom haven’t seen a Costco batch from my local Costco ever since. I see batches at other costcos just fine. Just as context, I did go to that Costco multiple times after that and apologized promising I would not be doing that ever again and it was a one time mistake and they said they have no problem with me shopping there but that instacart would have to do something on their end to remove the ban. I proceed to contact instacart support who of course say they see nothing wrong and to contact Costco if anything so then I email trust_safety or whatever that is and no response after their first robotic response of “Costco Vacaville location seems like they do not want you to shop there, so we cannot do anything” I explain that I went there and they were fine with it and no response after 50 emails ever since. And of course every single agent I chat with says we have removed your ban 😑😞 i don’t know what to do considering my local Costco has the best tips by far of all stores