Contact DHL Argentina directly: Call or email DHL Argentina and ask for
the “tracking number usable on Correo Argentino.” They may need to
assign a local code once the shipment is handed off to the national
carrier.
Avoid USPS Ground Advantage for island destinationsUse USPS Priority
Mail or exclude those regions from listingsAdd a disclaimer in your item
description, such as: “Note: USPS Ground Advantage may take up to 6
weeks for delivery to Hawaii, Puerto Ric...