How Much are Stamps Now?

As of May 11, 2009 postage rates increased from $0.42 to $0.44 for a first class stamp. The $0.44 stamp will allow you to mail a one ounce letter, for each additional ounce you will need to add $0.17. If you would like to mail a postcard the new cost is $0.28. Certified mail is $2.80 in addition to the postage.