I can confirm that Aliexpress doesn't allow me to checkout with a USA address and states that items can't be shipped to my region. -edit: Since this post it seems that I can order items again? Very odd.
>The majority of inbound shipments originating in China come by ocean or air freight, not the mail system.
Account says: 63 Shipped, 42 To Ship
Perhaps it’s now being sent not via USPS?