One ... up to 1.0 ounce in weight.
You would only need one stamp to mail your letter
Ask at a post office in Oregon.
my package weighs 336 grams. how much to mail to oregon printed material
One.
Ask at a post office in USA !
You address it Washington, DC.
first class mail up to 1 ounce is .42
First Class Mail is delivered in three too five days.
Priority Mail flat rate envelopes cost US$5.75 in postage. With standard 49 cent stamps, it would take 12 stamps to cover the postage.
It takes enough stamps that total $.42 to post a letter in the US. That is what the US Postal Service charges even from city to city or state to state. They raised the rate not long ago. There are $.42 stamps available for purchase.
Yes, postage stamps require that you pay for them. That is how the postal service gets its revenue so that it can do business. Postage goes up when the cost to deliver exceeds the cost taken in.
First class mail is delivered in 3 to 5 days