1 if it is a letter and no more than 1oz in weight. You must add more postage for every added ounce. The answer also varies with the class of mail you are sending.
Call your local post office for exact amounts.
one
one
one. number of stamps is determined by weight, not distance
it depends where you send it to
only one
3 or 4
One stamp for a letter.
1.
One if it is the correct amount or greater.
44 cents
One stamp.
Couple of 98c stamps, can be more is heavy
i dont know you tell me
one $0.45 stamp for a letter. more for heavier pacakages.
One. A standard .44¢ postage stamp.
If you are sending a normal-sized letter, you would need $0.49 total of stamps to mail it from Indiana to California. You could use a Forever stamp or a combination of other stamps that equals $0.49.
The same as all domestic mail (44 cents for the first ounce as of May 2009)