There is no Aliexpress number, but if you have a question about Aliexpress or have unexpected problems, you can write to Aliexpress support (online chat) here you will always be welcome.
You can write to an online chat, this can be done as follows:
Go to the page https://customerservice.aliexpress.com (you need to choose the topic of the question carefully, and then you will be able to see the "Online Chat" button).
The disadvantage is that there is no phone where you can call, only online help.
You can also enter the online chat from the Aliexpress page https://www.aliexpress.com and at the very top of the site, click on the "Help" drop-down menu and select "Support Service".
Super Deals on AliexpressAt the very bottom of the page there will be an "Online Chat" button, click on it.
Super Deals on AliexpressAfter that, you need to select the category of the question, under the category and another category. and only then will you get an answer. But most likely this answer will be automatic, and it may not fully give you the answer you need. But in any case, you need to choose 3 categories because without them there will be no "Online Chat" button and you will not be able to write to online support without it.
Super Deals on Aliexpress 
This article explains the questions about what the customer needs to know about the compensation of AliExpress, namely:
In this article, I will describe several ways to make money on Aliexpress. So, let's begin.
Embarking on the journey of establishing your own business can be an exciting yet daunting venture. With the advent of e-commerce platforms like Aliexpress, aspiring entrepreneurs now have a convenient and accessible ...