Starting Jan. 27, it will cost a penny more to mail a single-piece, 1-ounce First-Class letter to any location in the United States. This is the second price change for First-Class Mail stamps since 2009.
Forever stamps are always good for mailing a 1-ounce letter anytime in the future, regardless of changes.
Highlights of the new single-piece First-Class Mail pricing include the following:
Letters (1 ounce) — 1-cent increase to 46 cents;
Letters additional ounces — unchanged at 20 cents
Postcards — 1-cent increase to 33 cents
Letters to international destinations (1 ounce) — $1.10
New this year will be the First-Class Mail Global Forever stamp, a new international rate stamp. The Global Forever stamp offers a single price for any First-Class Mail International 1-ounce letter to any country in the world.