Question: How many stamps do i need to send a letter to the United States, from Canada.? I am in Canada (Ontario), and I need to send a letter to Santi Monica in the United States. How many stamps need to go on the envelope?

Answer: Use the Canada Post website to calculate postage based on your envelope weight and size.\n\nhttp://www.canadapost.ca/personal/tools/rc/res/bin/rc_res_us-e.asp
This question from the Yahoo Q&A forum is categorized in the topic: Education & Reference