Cost Of First Class Stamp 2024 Large Letter. (you can also use any combination of stamps that adds up to $0.73.) if your letter is heavier or bigger, or if you want to add insurance or. See the table below which shows exactly how many stamps you will need to mail your letter.

Prices start at $0.73 at a post. To help you navigate these changes, this article provides an overview of usps rates, the discounts you’ll receive when shipping through stamps.com, and a detailed comparison of.