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Using First Class Mail International, deliveries generally take between 7â21 days to arrive, although the USPS does not guarantee delivery dates or times. Mail may travel to its destination by ground, air or a combination of both.
In United States Postal Service (USPS). If it is express mail, then it will take at least 12 days elapsed time. If it is first class mail, then it will take at least 18 days elapsed time.2 people found this useful.Edit.epends entirely on what class mail you send something as. First Class should take 3-5 business days.