There seems to be no distinction between post cards and letters mailing rates that go outside of the United States. First class postage is $.90 for one ounce and $1.80 for two ounces to UK, Israel, Oman, Estonia and Australia. First class to Canada is $.69 for one ounce and $1.00 for two ounces. First class to Mexico is $.69 for one ounce and $1.12 for two ounces US defines postcards as Postcards are to be not less than 3-1/2 inches high, 5 inches long, and 0.007 inch thick. and. Not more than 4-1/4 inches high, or more than 6 inches long, or greater than 0.016 inch thick ************************************** See what's free at http://www.aol.com.
