If you send the letter via first class mail, it should take no more than three business days to reach its destination. "Business days" as far as the USPS is concerned are Monday - Saturday, excluding national holidays. It may also take an extra day if you drop the letter off at the post office after their last pickup for that day has been made.
First Class Mail is delivered in three to five days.
First class mail delivery takes 3 to 5 days.
First class mail is delivered in 3 to 5 days
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class mail is delivered in three to five days.
First class mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in 3 to 5 days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First class mail is delivered in 3 to 5 days