Question: how many stamps do i need to mail a letter to another state?
Answer: The postage rate within the United States for a once ounce or less first class letter is 49 cents. If you have any of the USPS Forever stamps, it will take only one stamp to send the less than one ounce letter. If you are using older stamps, you must assure the value of the stamps meet or e cede the 49 cent rate.