On average two days. I have seen a letter go across the country from coast to coast in one day.
mail the letter and find out
2-3 days
I don't know ask a mule.
First Class Mail is delivered in three to five days.
First class mail delivery takes 3-5 days.
First class mail delivery takes 3 to 5 days.
First class mail delivery takes 3 to 5 days.
According to the United States Postal Service [USPS] three days.
First Class Mail is delivered in 3 to 5 days.
First Class Mail is delivered in three to five days.
First class mail delivery takes 3-5 days.
First Class Mail is delivered in three to five days.