One, provided it has a high enough value. All ordinary first-class letter mail between two points within the US, whether across the street or across the country, is charged at the same rate.
How many stamps are needed to send a letter from Texas to Alaska?
700 Stamps
typicaly 2 stamps
To reach the letter in proper place
if it weighs an ounce or less, three stamps.
This depends only on the weight of the letter. If it is under 13oz you can send it anywhere in the country with 1 first class stamp.
no, but you need a stamp on the letter, you can buy stamps at grocery stores in some states and mail the letter in a secure mailbox , not necessarily at the post office.
We would need more information than, that, such as where you are, (city, state, country), and where Wilshier Blvd is, (city, state, country).
How many stamps to STOCKHOLM
20
one