This is actually perfectly legal, because the number is charged at normal international rates.
Most hotels in Budapest charge standard international rates, but there are a few where a couple can spend the night for less than $100.
More information on pricing for domestic mail and new international rates can be found at www.usps.gov.
If you have a mobile service provider, check into the international rates it offers.
The current international rates are $15 for the first three minutes and $2.50 for each additional minute.
Its international rates, with the exception of Mexico, are also subject to a 10 cents/minute airtime charge.
You couldn't do that kind of thing at international rates.
It is cheaper than the standard international rate.
Foreign telephone monopolies, which use international rates to subsidize domestic service, are certain to object.
A high international rate might be the reason for the apparent price stability in the United States.