They don’t unless you have a good contract with them and even then it’s dependent on zones and package size.
Fun fact: USPS acknowledges that our US territories are domestic while UPS and FedEx treat them as international. So its a little more of a chore and cost to ship to Puerto Rico and the like through anyone but USPS from the 50 states.
UPS and FedEx cost the same though.
They don’t unless you have a good contract with them and even then it’s dependent on zones and package size.
Fun fact: USPS acknowledges that our US territories are domestic while UPS and FedEx treat them as international. So its a little more of a chore and cost to ship to Puerto Rico and the like through anyone but USPS from the 50 states.