One. Just like mailing a letter from one town in PA to the next one over. In the US, it costs the same to mail a letter from Savannah, GA to Rincon, GA as it does to mail a letter from Buffalo, NY to Honolulu, HI. The only possible difference is if this is a think heavy letter that would normally require a little extra postage. So you might go up from the normal $0.42 to $0.65. You never know until you get your letter weighed at the post office. If it is just a regular letter, put on one regular $0.42 stamp and send it on...
you need ten stamps actually i don't know
One ounce letter, one stamp.
You need 1 stamp to mail a letter/package throughout Canada
all you need is one 41 cent stamp
one $0.45 stamp for a letter. more for heavier pacakages.
what the price to mail letter to
maybe 2 0r 3 stamps
you need ten stamps actually i don't know
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You would need one first-class stamp to mail a letter from Georgia to Hawaii. The postage rate is the same regardless of the distance within the United States.
You would only need one stamp to mail your letter
how many first class stamps does it take to mail a 4 oz letter and package