Usps Priority Mail Rates 2024 Chart. Renowned for its faster delivery, albeit at a higher cost. A convenient alternative is priority mail express® flat rate envelopes and priority mail flat rate® envelopes and boxes.

As you’ll see below, shippo offers discounted shipping rates when compared to what you’d find at. Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and.